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Operator
Welcome to the DexCom Second Quarter 2014 Earnings Release and Conference Call. My name is Bakeeba and I will be your operator for today's call.
(Operator Instructions)
Please note that this conference is being recorded. I would now turn the call over to Terry Gregg. Terry, you may begin.
- CEO
Thank you very much. Welcome to DexCom's second quarter 2014 conference call. I will ask Steve Pacelli to read our Safe Harbor statement.
- EVP of Strategy & Corporate Development
Thanks, Terry. Some of the statements that we will make in today's call may constitute forward-looking statements. These statements reflect Management's expectations about future events, operating plans, and performance and speak only as of the date hereof. These forward-looking statements involve a number of risks and uncertainties.
A list of the factors that could cause actual results to be materially different from those expressed or implied by any of these forward-looking statements is detailed under risk factors and elsewhere in our annual report on Form 10-K, our quarterly reports on Form 10-Q, and our other reports filed with the SEC. We undertake no obligation to update publicly or revise these forward-looking statements for any reason.
Additionally, in today's call, we will discuss certain financial information that has not been prepared in accordance with GAAP with respect to our cash operating performance. This non-GAAP information is provided to enhance your overall understanding of our current financial performance. The presentation of this additional information should not be considered in isolation or as a substitute for results or superior to results prepared in accordance with GAAP. Terry?
- CEO
Thanks, Steve. Joining me today are Kevin Sayer, our President and Chief Operating Officer; Jess Roper, our Chief Financial Officer; and you just heard from Steve Pacelli, our Executive Vice President of Strategy and Corporate Development. Today's call will be largely a financial update, with Kevin reviewing our second quarter 2014 financial results and providing our traditional business update. I will then follow with some concluding thoughts.
Before I turn the call over to Kevin, I'd like to comment briefly on our Q2 performance. Our financial results speak for themselves. During the second quarter, we achieved record sales, record margins, and our best operating results ever with cash-based net income of over $8 million for the quarter. Our pipeline of new patient opportunities remains very robust and sensor orders are stronger than ever.
The continued commercial success of G4 PLATINUM reinforces our long-held belief that sensor performance, in terms of both accuracy and reliability, is paramount. With that, I'll turn the call over to Kevin.
- President & COO
Thank you, Terry. First, I'll provide our financial update. DexCom generated $58.2 million in product revenue for the second quarter of 2014 compared to $35.5 million for the same quarter in 2013; a $22.7 million or 64% increase.
Sequentially, product revenue for Q2 of 2014 increased 25% from the prior quarter. Total revenue for the second quarter of 2014 was $58.8 million compared to $35.8 million during the same quarter in 2013.
Our product gross profit totaled $39.5 million, generating a product gross margin of 68% for the second quarter of 2014 compared to product gross profit of $21.8 million and a product gross margin of 61% for the same quarter in the prior year. Sequentially, product gross margin in Q2 2014 was up 4 points, due primarily to increased sales volumes and to a lesser extent, increased average selling prices for our products.
Some additional thoughts on our product revenue and gross profits: during Q2 2014, our revenue mix between durable and consumable products was approximately 30% durable and 70% consumable. ASP for sensors was slightly higher in the second quarter at approximately $72 per sensor, and the ASP of our hardware was also slightly higher at approximately $885 per starter kit.
Increases in ASP were due to a favorable payor mix during the quarter, including several new payor and distributor contracts with improved pricing, and the impact of moving our business to the pharmacy channel. We will continue to target ASPs in the range of $70 to $75 per sensor and a range of $850 to $900 per starter kit going forward.
Finally, our international business continued to exceed our expectations in Q2 with international revenues almost doubling year-over-year. International revenues represented approximately 13% of product revenue during the quarter.
Turning to our expenses, our total operating expenses for the second quarter were $45.7 million compared to total operating expenses of $31.8 million during Q2 2013 and $42.1 million for the preceding quarter. As we discussed during our Q1 earnings call, the major component of this increase relates to non-cash share-based compensation expense.
During Q2 2014, our non-cash share-based compensation expense was $13.2 million, up approximately $4.5 million sequentially and $6.8 million over Q2 2013. We expect share-based compensation expense of at least this level through the first quarter of 2015.
Share-based compensation is computed based upon the amortization of shares issued under our equity plans. The majority of these shares vests over a three-year period.
The primary reason for the sequential and year-over-year increase in share-based compensation is the significant increase in the DexCom stock price over the past three years. For example, shares granted in 2011 were granted at prices ranging from $7.78 to $15.75 per share. The majority of the 2011 share grants finished vesting in Q1 2014 and the compensation expense related to these shares has been completely recognized.
Share-based compensation expense for the shares granted in late Q1 2014 is computed based upon a share price of $47.42 with these shares vesting through 2017. So obviously, our 2011 share grants created a much lower overall share-based compensation expense than our 2014 grants, which will now be recognized through 2017. Moving on to research and development expense, it totaled $14.8 million for Q2 of 2014 compared to $11.1 million in Q2 of 2013 and $14.5 million in Q1 2014.
The year-over-year increase in R&D expense includes an $800,000 increase in non-cash equity-related expenses. The remaining increase relates to continued investments in the product pipeline focusing upon increased accuracy, improved connectivity, patient convenience, and lower cost with ultimate goal of replacing finger sticks altogether.
Sequentially, R&D expense was flat with a decrease in non-cash expense related to our SweetSpot acquisition, offset by higher incremental non-cash share-based compensation expense. Selling, general, and administrative expense totaled $30.9 million in Q2 of 2014 compared to $20.7 million in the same quarter of 2013, an increase of $10.2 million. The year-over-year increase in SG&A relates primarily to additional headcount for our commercial infrastructure, as we scale the business for continued revenue growth, and also includes a $3.8 million increase in non-cash share-based compensation expense.
SG&A expense for the preceding quarter was $27.6 million. The sequential increase of $3.3 million includes $2.4 million in non-cash share-based compensation expense and commercial expenses to support our 25% sequential growth. Our net loss for the second quarter of 2014 totaled $6 million and included $14.2 million in non-cash expenses centered in share-based compensation, depreciation, and amortization.
Absent these charges, our net income would have been approximately $8.2 million for Q2 2014. Obviously, we are quite pleased with our cash-based operating results, as this compares quite favorably to a cash base net loss for Q2 2013 of $1.1 million, and our cash base results for Q2 exceed our cash base net income for the entire year of 2013. Our basic loss per share for the quarter was $0.08.
With respect to our balance sheet, we ended the second quarter with $61.3 million in cash and marketable securities, up almost $4 million sequentially, and we remain quite comfortable with our cash position. Finally, consistent with past practices, we'll take the opportunity to update our full-year revenue guidance. We now expect product revenue for the full year to fall within the range of $220 million to $235 million.
I'll now move to the business updates. As many of you know, the Annual Scientific Sessions of the American Diabetes Association was held in San Francisco in June and the show was nothing short of remarkable for DexCom. First, on the eve of ADA, we issued a joint press release with Insulet announcing that our upcoming mobile data app platform will integrate data from Insulet's next generation OmniPod handheld.
This will be the first insulin delivery device to be integrated into our Gen5 mobile platform, which we designed to aggregate glucose and other diabetes-related data from patient's devices and display the integrated data on a smartphone. It also marks the smart of open architecture approach to diabetes-related data, which will include an, authorized by DexCom, mark to indicate the compatibility of devices and apps integrating DexCom CGM data.
Next, on Saturday morning, we formally kicked off the ADA with publication of a late-breaking poster entitled, CGM is not the limiting factor in artificial pancreas systems, in which we shared in-clinic data from 51 patients who wore a version of Gen4 PLATINUM with an approved algorithm dubbed G4AP. We demonstrated that our next gen CGM accuracy is approaching finger stick accuracy, with an overall G4APMRD versus YSI at an impressive at 9% compared to a finger stick MARD of 5.6% versus YSI.
We believe the data represent an important next step on our path to obtaining an insulin dosing claim and the potential for factory calibration; again, consistent with our ultimate goal of replacing finger sticks altogether. Finally, on Sunday evening, Dr. Steven Russell shared top line results from the Bionic Pancreas Summer Camp and Beacon Hill studies, which were simultaneously published online and in the New England Journal of Medicine. The results were quite impressive, leading Dr. Russell to conclude that, as compared with an insulin pump alone, a wearable automated, bihormonal, bionic pancreas improved mean glycemic levels with less frequent hypoglycemic episodes among both adults and adolescents with Type 1 diabetes.
Turning to our future CGM product offerings, we remain focused on increased connectivity and convenience as a near-term goal and replacing finger sticks as our primary long-term objective, as we continue to work on both Gen5 and Gen6 in an effort to achieve these goals. We are pleased to report that the Food and Drug Administration has formally advised us that our DexCom SHARE system is approvable, subject to our submission of additional documentation related to our contract manufacturer. We believe we have submitted all information requested by the agency and hope to launch this product prior to the end of the year.
We continue to be pleased with the progress of our peds launch and we're happy to report that between 25% and 30% of our new patient additions in the US during Q2 were pediatric patients. With respect to our professional CGM, we successfully launched the system within three days following approval and expect to continue to commercialize this product during the second half of 2014. While we don't expect revenues from the sale of professional CGM to be material, we do believe professional CGM will provide us with a strong platform to build category awareness for future patient growth.
Shifting to our integration partnerships, just yesterday, we announced that we've expanded our development efforts with Insulet, and have agreed to work with Insulet to develop a CGM-integrated personal diabetes manager to enable upload and display of our Gen5 CGM data into the next generation Insulet handheld. We're also pleased to report that Animas has submitted a comprehensive response to the FDA regarding the Animas 5 and is in regular dialog with the agency regarding the submission. We're gearing up for a commercial launch of 5 in the US, which could come before the end of this year.
Finally, I'm pleased to report that Tandem has submitted a PMA application to the FDA for the t-slim Gen4 insulin delivery system, which integrates Tandem's t-slim pump with our Gen4 PLATINUM. As mentioned during the Tandem earnings call, this submission is just the first step of the regulatory process and a product approval is at the discretion of the FDA, which Tandem is estimating will take approximately 12 to 18 months.
In connection with the filing, Tandem made a $1 million milestone payment to us in July. On the data management front, I'm pleased to announce that we recently entered into an agreement with Tidepool to allow retrospective data from our G4 PLATINUM system to be integrated into the Tidepool data aggregation platform. This integration is consistent with our open architecture approach to diabetes-related data and will also include an, authorized by DexCom, mark.
Finally, on the litigation front, we are pleased to report that on July 2, 2014, we entered into a settlement and license agreement with Abbott Diabetes Care to settle all pending patent infringement legal proceedings brought by Abbott against us back in 2005. The settlement agreement does not obligate us to pay any royalties or any other form of financial compensation and provides for a cross-license of certain of our patents and certain Abbott patents.
In addition, we have agreed not to sue each other for patent infringement, based upon each of our respective continuous monitoring products, until March 31, 2021. I'll now turn the call back over to Terry for some concluding remarks.
- CEO
Thanks, Kevin. Each year in July, people with diabetes, parents, grandparents, siblings, loved ones, and friends gather in Orlando at Friends for Life, a conference hosted by Children with Diabetes to provide education and support for children with diabetes and their families. We were fortunate enough to sponsor Friends for Life this year and never, in my career at DexCom, was I more proud of our accomplishments as a Company.
Friends for Life is a chance, sometimes the only one all year, for children with Type 1 diabetes to hang out with children just like themselves to get to feel normal. I was inspired by the whole experience.
Kevin talked about our pediatric growth in Q2. 16% of our US revenues and between 25% and 30% of our new patient additions were pediatric. We firmly believe this is a large untapped market opportunity for us, both on the professional and the patient side.
But as we all know, Type 1 diabetes does not discriminate by age. We know that approximately 500,000 people in the United States over the age of 65 are living with Type 1 diabetes. This is why obtaining Medicare coverage for CGM has become a key initiative for us here at DexCom.
To that end, we are pleased to report that just last week, US Senators Susan Collins and Jeanne Shaheen, co-chairs of the Senate Diabetes Caucus, introduced legislation to ensure that seniors with Type 1 diabetes who are Medicare-eligible have access to continuous glucose monitors. The bill is entitled the Medicare CGM Access Act of 2014 and was largely the result of coalition efforts led by JDRF, the Endocrine Society, and the American Association of Clinical Endocrinology, with assistance by the American Association of Diabetes Educators, as well as industry representation by DexCom, Medtronic, and Johnson & Johnson. To date, CMS has indicated it will not issue a positive coverage decision for CGM because CMS believes that our FDA adjunctive claim indicates that CGM does not constitute a medical necessity.
This, in spite of support for CGM from large randomized clinical trials, leading professional society position statements, and the fact that nearly all US commercial payers cover CGM for Type 1 and approximately 25% of payers cover for Type 2 insulin-using patients as well. It is well-documented that seniors with insulin-requiring diabetes are more susceptible to hypoglycemia and subsequent emergency services. In fact, recent data shows that 16% of elderly people with Type 1 diabetes experience low blood sugar seizures or loss of consciousness every year and costs for hypoglycemia inpatient admission averages over $17,000 per visit.
DexCom has thousands of patients that benefit from CGM use and we receive hundreds of letters from patients telling us that CGM has transformed their diabetes care and often saved their lives. While the legislative approach may take years, it is the first step to providing CGM to a patient population in much need.
Also recently, AACE and the Endocrine Society recommended a code change to the AMACPT editorial panel to increase physician reimbursement for real-time CGM. This continues to reinforce the importance of real-time CGM for diagnostic use, and with the only real-time professional system on the market, we intend to further expand on this opportunity.
So as I look at our results for the quarter, our R&D pipeline and external factors developing around us, I continue to be very impressed by our performance. Product revenue is up 64% year-over-year and 25% sequentially.
Gross margins were 68% for the quarter, up 4 margin points. Absent non-cash charges, our net income would have been $8.2 million.
There have been those who question our ability to leverage the commercial side of our business. Well, we increased product revenues year-over-year by $22.7 million and we added only $6.2 million of cash-based SG&A expense.
I'm pretty sure that's leverage. While many companies are issuing warnings about their second half revenue expectations, we are increasing our guidance to a range of $220 million to $235 million in product revenue.
In conclusion, we are very pleased with our second quarter financial performance. Our product revenue growth is unparalleled. Average year-over-year quarterly product revenue growth has been 66% since the launch of the G4 PLATINUM.
We continue to make significant investments in our commercial infrastructure and our product pipeline to position DexCom for its long-term objectives. We are proving our business model as our cash-based profitability continues to improve. Thank you, and we'll now open it up for questions.
Operator
(Operator Instructions)
Ben Andrew, William Blair.
- Analyst
Good afternoon. Thank you for taking the questions.
Can you talk, first, about the breakdown of the hardware? You said it was about 13% in the quarter, again, consistent with what you've seen. What is your estimate of which part of that is new patients versus kind of replacement hardware for existing patients?
- President & COO
Well, yes, it's 30% hardware and 70% consumables. Consistent with our prior calls, we're not going to disclose our breakdown between new patient and existing patients. You can't keep growing at 60% without adding a whole lot of new patients. When we consider that our business is evolving to the point, we're not going to be able to provide that number on a timely basis.
Give you a couple of examples. As we stated in our remarks, 13% of our revenues are international. We don't know if those are to new or existing patients. Animas buys transmitters for Vibes in Europe, and soon they'll be buying them in the US. But in Europe in particular, we don't know if those are new or existing patients either.
Finally, we're moving to a pharmacy distribution model where a patient will be able to walk into a drugstore and pick up a starter kit. We don't know if that's a new patient or existing one, either.
So at the ends of the day, until we have Gen 5 streaming into the cloud, we won't know if those are new or existing patients. So at the end of the day, we're not going to give a whole lot more than we given. Our business is moving too fast.
By breaking out hardware sales and ASPs, we think we've provided you enough information to estimate patient numbers given basic utilization and attrition rates.
- Analyst
Okay. Great, that's helpful. Thank you.
There was a comment at ADA relative to timeline disruption from the new software algorithm with G4. Terry, can you comment on the ability to push that algorithm out to existing patients with the current system versus would you wait for G5? And talk about when that could happen. I know you've got Share coming by year end; but just update us on the algorithm, please.
- CEO
Yes, it's difficult to estimate when or what we're going to do with that because it is a timing issue. And it's in the hands of the Food and Drug Administration. And so if you look at the iteration of products, as we've indicated, we expect to file Gen 5 before the end of the year. And it becomes a timing issue of what is most appropriate for the patient population and what's most appropriate for DexCom.
Quite frankly, at this point, without greater visibility of when that may get approved, we've refrained from making a decision on which version that we will introduce the new algorithm. And when we make that decision, of course, everybody will know of that decision. Now, from a standpoint of how we will implement it, we do, as you know, we have the ability to upgrade software through the internet.
That is one mechanism that is available to us, much like you would upgrade software on a laptop or a PC, which we issue a code, you put it in, and we have confirmation that you uploaded it correctly. But stay tuned. That is the best I can give you at this point.
- Analyst
Okay. Last quick question for me.
Obviously, the peds is growing very, very quickly right out of the box. Was there any indication of an impact on the adult ads? It doesn't seem like there was, but just wanted to ask. Thank you.
- President & COO
No, Ben, everything is going according to plan. The patients buying second transmitters, the new patients that we're adding, and sensor reorders -- everything is right in line with what we expected.
Operator
Mike Weinstein, JPMorgan.
- Analyst
I just wanted to follow up on Ben's last question on the pediatric comment that you made on the prepared remarks. Obviously, that's much more rapid than we were expecting in terms of the early response in pediatrics. Do you have any read on sustainability?
Do you think there was a bolus here that you got this quarter? Or do you have any sense that anything that you saw on the pediatric side this quarter isn't going to continue?
- President & COO
I'll take it and then let Terry add some other comments. Based on what we've seen at the various meetings we've attended and our visits in the field with endocrinologists, if anything, we think the pediatric market is grossly underpenetrated. And this is not just a bolus. It's just the start of something that can be fabulous.
Terry?
- CEO
I would echo Kevin's comments. We see the sustainability of this type of ramp. Obviously, clearly, a lot of unmet needs and parents, in particular, driving the adoption for their children. They will, of course, do anything possible to keep their children safe. And this is an extremely accurate, reliable tool. And it's a very well-educated population in terms of the parents, as well; and they communicate.
And so we've seen just this increase. If it's any indication, again, mentioning Children with Diabetes and Friends for Life meeting, we were quite pleased that we saw a lot of kids walking around with DexCom CGM and coming up and thanking us as teenagers or younger and certainly their parents thanking us. So we think there is still a lot of upside opportunity here.
- President & COO
Mike, I'd add one other thing. When we add connectivity to this mix for parents and pediatrics, then the show really starts.
- Analyst
Yes. Yes, understood.
Let me just make sure I'm clear on the latest timing thoughts. On G5 submission, do the partnerships and the timing of those impact at all your assumed submission? Are you still assuming that filing is maybe late this year, but more likely early part of 2015?
- President & COO
Yes, it will be late this year or early next year. We separate the Gen 5 filing from all the partnership activities. That is our development effort. The partners will file their systems. Tandem and Animas have filed with Gen 4.
We will continue to support those companies and all their efforts with Gen 4 hardware. But we will file and move on to Gen 5 for ourselves when it gets approved. And then we'll go back and figure out how to integrate our technological upgrades with the pump partners as time goes on.
- Analyst
Okay. As we think about the goal of finger stick replacement, is the thought process based on the data you've got from what we saw at ADA? Is the thought that that still waits until we get to G6 and you eliminate some of the noise factors with acetaminophen and some other medicines? Or is there any possibility you think you could get that with G5?
- President & COO
Mike, that is a good question. We've discussed this with the agency. With a 9% MARDR, accuracy is there. And the consistency of the performance of Gen 4 is there with this new algorithm.
We're going to start putting together new information and risk mitigation factors and all of the things that the FDA would want to see this. And we'll see what we can learn and do with the Gen 4 system and then apply it to Gen 5 because it, theoretically, would be the same algorithm and the same sensor.
So we're going to proceed with that with our current system and label it accordingly with respect to acetaminophen. If the Agency comes back and says something different, that's fine. But we're going to figure out this path now. We're not going to wait.
- Analyst
All right. I'll let some others jump in. Great quarter.
- President & COO
Thank you.
Operator
William Plovanic, Canaccord Adams.
- Analyst
A couple of questions. First of all, what exactly are the features and benefits you plan on having included in G5? Because it's pretty fluid; so I'm just curious, where do we stand now?
- President & COO
Specifically, Gen 5 from a sensor perspective, will be a Gen 4 PLATINUM sensor built on the same manufacturing line with the same membranes. We won't change the core manufacturing processes.
With respect to the user interface, that will be a mobile app, launched initially on an iPhone platform. And it will be a different interface than what we have today. We've done a lot of human factors work and patient work to make sure that is a good interface and will go through and add benefit to our patients.
With respect to the algorithm, that's going to depend, as Terry talked about, uncertainty due to the timing of the G4 AP algorithm. Do we include that in Gen 5; do we do it earlier; do we wait and do it after? We're working through some of those issues now, and we haven't made a decision.
But the key factor on Gen 5 is the transmitter has a Bluetooth chip in it. It will talk directly to a cell phone and another device. So you can have two devices that receive a signal from that transmitter. And we will offer the patients a receiver that receives a Bluetooth signal as well, so they have a backup in case their phone battery goes dead. So that's how we're positioning the basic feature set of Gen 5, and then we'll go from there.
- Analyst
So the factory calibration or the replacement claim or insulin dosing claim, you don't know if that'll be part of it or not yet?
- President & COO
We don't know. And, Bill, those things are independent from each other. We're going to pursue the dosing claim based on the accuracy of the sensor, actually as it sits in the current Gen4 platform. Then, in fact, if we can get that claim, we would apply it to the Gen 5 system because, again, it's the same sensor and the same algorithm that we're using now.
So we're kind of looking at that as an independent feature. And we'll move it into the product feature set as quickly as we can. We're not going to hold up Gen 5 waiting for that. We'd love to include it if we could. And we're actively engaged, as I said earlier, in dialog with the Agency on how to get there.
- Analyst
And then factory calibration?
- President & COO
That won't happen with Gen 4. We'll start reducing calibrations with Gen 6.
- Analyst
Okay. Perfect. This is pretty fluid on the generation, what the features and benefits. That's helpful.
To switch over to the peds, the insurance coverage today. If you think of the policies that are out there, what does insurance coverage look like for peds? I remember, initially, it was 25 and older in terms of the payors. How does it look today?
- CEO
Even though, as you mentioned, the coverage decision was 25 and older. But we never had any pushback from the payers regarding pediatric. Even though their policy said X, in reality, they were reimbursing for it. It's been no big change from the standpoint of the reimbursement landscape once we got the pediatric indication.
- Analyst
So it's all preapprovals, right? You have to go through a preapproval process?
- CEO
It is a mix of prior authorization in some cases or just on recommendation, depending upon the policy. Recommendation by the physician that the patient is failing to achieve adequate glycemic control, as measured by a physician, not necessarily by some numeric number.
- Analyst
Okay. Great. The last question I have is that's a very impressive gross margin number. I think you're already addressing the levels you expected to hit and kind of max out at. What do you project that gross margins can go to off the current sensor now?
- President & COO
The biggest factor here is volumes, Bill. We know that we can apply more overhead the more sensors we manufacture. We can gain some efficiencies. We've always said 70% to 80% maximum with the current sensor. Probably a target more like 75% on the Gen 4 sensor would be where we would fall out, assuming pricing remains consistent in that $70 to $75 range.
We're going to have to have some advances with respect to new manufacturing techniques and some of the hardware elements of the sensor, particularly the applicator, before we can drive them down even further. We're pretty close now. We can get more efficient with respect to returns and with respect to the electronics manufacturing.
We have constant improvement initiatives on all these things that are ongoing currently. But as far as picking up 10% more margin points next year, that's probably not happening.
- Analyst
You mentioned the applicator. Is that part of G5 or no?
- President & COO
Not the first pass.
- Analyst
Great. That's all I had. Thank you very much.
Operator
Tom Gunderson, Piper Jaffray.
- Analyst
Good afternoon. As you said, the numbers speak for themselves. So I'll just go on a couple of the topics that you brought up. One is CMS, Medicare patients, 500,000. They say it's not medically necessary. And everybody else in the world says that whether it is necessary or not, it is good for the patient and good for costs. I'm curious. And, yes, you can go through Congress. We know how effective that's been for others.
Terry, is this a person that can be swayed, is it a committee? It is a stiff arm that says -- No way under any circumstances? What do you think it would take to turn CMS around other than a change in the laws?
- CEO
I think the easiest way to achieve it is to get a claim of non-injunctive for our therapeutic dosing claim. I think that clears the decks, and that's the quickest way to change the -- and it is by committee, Tom, it's not by a single individual strong-arming the system.
From that standpoint, you've heard Kevin talk about the emphasis on getting to a claim. We've had these open, active discussions with the agency about how we achieve that. We have to identify risks and mitigation of those risks with Gen 4 for an adjunctive claim, but we're well on our way down that pathway.
And although I think the legislative effort just bolsters some of the other things that we're doing and increases awareness, I still think that to change the policy decision, we will have to achieve that new claim.
- Analyst
Got it. Thanks.
On the New England Journal article and all the buzz that went around the Russell system, we've maybe gotten too immune to that over the years and hearing the data and seeing things come out. But now you get a major journal, you get a big media attention at ADA. It probably, I'm guessing, correct me if I'm wrong, didn't have an impact on Q2.
Do you feel like getting that kind of media attention and people saying, oh, yes, there is a CGM that works, gets you some of the uplift that you expect for the rest of the year?
- CEO
No, I think it is still early. And the whole progress of artificial pancreas that certainly we are the choice of the overwhelming majority of artificial pancreas programs around the globe. But I would caution the audience that, for the most part, outside of the things that Medtronic diabetes is doing in AP, the rest of these are all investigator-initiated trials. So they're not really company-sponsored. They're individual companies participating but coordinated by academic centers.
I think there's a lot of work that needs to be done. And if we just look at all of the different component parts, they all have to come together. And I think even FDA was at Keystone last month and got up and said, in their view, the artificial pancreas will be a combination of different component parts supplied by different companies coming together to create a unique product.
There are challenges. And if we just look at the insulin, everybody pretty much agrees that the insulin isn't fast enough; it's not predictable enough. You've got a glucagon; if you're using a bihormonal system, there's never been a stabilized glucagon. So all the work that has to go into that to get a new drug essentially through the FDA. I just think there's a lot of work to be done.
We get the goodwill associated with being the premiere product in that space. But when the rubber meets the road, it's the performance of the G4 PLATINUM and the confidence that patients get out of using it and the trust. That's really what is driving our Q2 numbers and hopefully for the rest of the year as well.
- Analyst
Got it. Last question, a quick one. You and Kevin have taught us the seasonality between Q4 and Q1 and the things that go into that. It's hard to see seasonality when you grow 64%. It covers a lot. Do you think there's any seasonality, positive or negative, in summertime?
- CEO
We've got July under our belt. And I would only say, we've got to get August and September. I think summer ends the 21st of September or something like that. So I'm not going to comment on the seasonality of this summer. There are so many things and factors that are going on that it's hard to be predictive. I will predict that seasonality, that Q1 is going to be different than Q4, Q1 2015.
But remember that as installed base grows and the number of sensors, the impact on seasonality is because patients do need sensors in the first quarter. It lessens as the influence of disposables becomes much more prevalent than our durables. So stay tuned.
My other comment before I go off, is pharmacy benefit also has a mitigating factor because for those patients that do have pharmacy benefit coverage, first-year seasonality is immaterial.
- Analyst
Can you quantify that?
- CEO
International business is completely immune to seasonality.
- Analyst
You quantified international at 13%. Can you quantify pharmacy benefit?
- CEO
I'll look at Kevin because he's the numbers person.
- President & COO
We're kind of holding back on that, Tom. We'll probably give an upgrade on that at the first of the year, but we are moving rapidly. And so a good number of patients are getting processed that way, and contracts are falling into line the way we want them to.
- Analyst
Got it. Thank you.
Operator
Raj Denhoy, Jefferies.
- Analyst
Hello, good afternoon.
I wonder if I could just ask a little bit about the mobile platform. You've now signed up Insulet to put data on that as well. Maybe you could just describe a little bit about, one, where you are in that. I guess the Share system is supposed to be feeding into that or will soon for the current generation. The Gen 5 will feed into it off a cell phone.
Is that the path we should think about that? And as you start other systems to this as well, is there a revenue component that goes along with this also? Maybe just some broad thoughts would be helpful on how we should frame that.
- EVP of Strategy & Corporate Development
Raj, this is Steve.
You've articulated it the right way. Share will be the first entree into the mobile platform; not truly a mobile product in the sense that the Share cradle is plugged into the wall. It's essentially a docking station for the G4 PLATINUM receiver. We look at Gen 5, although much of the back end infrastructure for Gen 5 is the same as we built for Share. Gen 5 is truly the first mobile product where the patient will interact with their CGM data directly on the smartphone.
With respect to Insulet, you should assume that the Insulet, the mobile app that we developed on behalf of Insulet, will be an iteration of the base Gen 5 app. So we'll file and release a Gen 5 system. And we will follow with probably a PMA supplement to our Gen 5 app that will incorporate their insulin onboard data. The extension of the deal that was announced yesterday is really, again, all about flexibility and convenience for the patient. So that the deal yesterday was really just to extend where Insulet would be incorporating their insulin onboard data and their insulin data into our mobile app.
The deal that we announced yesterday is kind of the reverse of that, where they'll be able to develop some software that they'll develop and incorporate into their handhelds that will enable the patient to have CGM access on their PDM. Remember something that Kevin said earlier in the call. The architecture of Gen 5 is such that it can pair to two devices at the same time.
So a patient using Insulet system, once all of these software developments are completed, a patient would be able to pair with their Insulet handheld and be paired with their smartphone at the same time. I guess the key distinction would be, on our smartphone app, the patient out of the gate will not be able to control insulin delivery from their smartphone. Whereas the software being developed by Insulet would be a fully-contained medical device system. So the patient would be able to interact with their OmniPod, as well as their CGM data in one location.
- Analyst
Okay. That's helpful.
But this idea of also the cloud-based system, where you're going to be collecting data that can be used remotely, if somebody wants to monitor a child, for instance. Is it contemplated that Insulet or other partners will be adding data to that type of system as well? Or is it really just this local arrangement as you've kind of described it?
- EVP of Strategy & Corporate Development
I would call that to be determined. The key factor there is that you need to have network connectivity. So I'm not sure -- it would be a good question for you to ask the Insulet folks tomorrow during their call.
I'm not sure if their next gen handheld if they're intending to have cellular connectivity. The key to the remote monitoring is being able to have a network-connected device and be able to have basically real-time data transmitted from the handheld device.
So certainly that is a DexCom goal; and then we'll certainly be going down that path with Gen 5. I'm not sure that any of these other partners -- when you talk about cloud-based data sharing or this open architecture strategy that we've adopted, you need to make sure you're clear between what is real-time data versus what is retrospective data capable of review and doing analytics and things by a physician or even by the patient retrospectively.
We're not opening up our architecture, other than potentially to a couple of the pump companies at this point, to any real-time transmission. The FDA has been pretty clear that if it's real-time data being used or capable of use for therapeutic purposes, they've been very clear with us that will absolutely be a Class 3 regulated medical device. So for example, when we talk about -- we mentioned in our prepared remarks an integration with Tidepool, which is an organization, a non-profit, looking to develop some analytical tools and aggregate data from a multitude of devices.
The data that Tidepool would be updating and integrating into their software platform would not be real-time data. This is going to be retrospective data that the patient or the clinician would be able to use after the fact to potentially use to adjust treatment, adjust insulin, adjust diet, exercise, things like that. But it would not be the same as what patients will be using our real-time data app on the phone. Or for Insulet, for example, having access to CGM data with real-time alerts, et cetera.
You have to make sure you draw that distinction between the types of data sharing that we're going to be doing going forward.
- Analyst
No, understood. One last question on this topic. In terms of is there a business model around it, in the sense that other than obviously driving better adoption and sensor utilization. Is there another revenue stream that you contemplate from the data component of this?
- EVP of Strategy & Corporate Development
If I had to guess right now, I would say probably not. But it is something that we're certainly still exploring. Certainly, I don't think doctors are going to pay for it; and I certainly don't think patients are going to pay for it. To the extent, down the road, we're able to show financial benefit and improved outcomes, potentially payers might be willing to pay for something this, on a monthly basis or something.
But I would tell you, from our perspective, I don't think we're counting on it. It is more important to drive utilization, particularly in the pediatric market. If parents have real-time access, all-the-time access to their child's data, I think that's a pretty powerful tool that will help ensure consistent utilization of and drive sensor sales. So I don't think we're looking to monetize it at this point, but we'll explore it as we move down the path.
- Analyst
That's very helpful, thank you.
Operator
Danielle Antalffy, Leerink Partners.
- Analyst
Thanks so much.
Good afternoon. Congrats on a great quarter.
I was wondering if you could give a little bit more color on pediatrics, 25% to 35% of new patient adds this quarter. Is that mix the mix we should think about going forward? Do you think it should be higher than that?
And then a follow-up on utilization, sensor utilization amongst peds. Is it dramatically different than with adults?
- President & COO
The launch is so early, I don't have a good indicator for pediatric utilization. And we haven't run those numbers. Gut-feel, based on the kids we've seen, I think utilization's very high as we're around them.
With respect to 25% to 30% of our new patients, that's where this quarter came out. We've often said that we'd like to see our total revenue base get up to 30% of our revenues derived from the pediatric market. And as Terry said in his remarks, we're up to 16%.
So this is a good starting point. It's certainly better than we did in Q1, and we'll just keep going from there.
- Analyst
Okay. Great. As far as number of endocrinologists that you're speaking to, have you started touching on the pediatric-only endocrinologists? I think there are 800 to 1,000 that you've talked about in the past. Where are you in penetrating those physicians? That's it for me. Thanks so much.
- President & COO
We're early in the process. And what we've learned is, with some of the physicians, we definitely had a running start. And with some of the others, we've got huge educational efforts. That's why Terry and I both characterize this as a very big opportunity.
There's a lot of education we've got to do. But ultimately, what we end up with is a lot of very happy customers. So we're focusing pretty heavily on that. Our team is out in the field, and they're doing a great job.
- Analyst
Great. It sounds like still a lot of runway there. That's great. Thanks so much.
Operator
Jan Wald, Benchmark.
- Analyst
This is Erica in for Jan. I just have a couple question since it's been such a thorough Q&A session so far.
As far as Medicare, is that something where you'd mostly be looking for a therapeutic indication to drive it or possibly doing a study to look at the benefits and what cost benefit you'll have from the reduced adverse events or reduced problems with poor insulin control?
- President & COO
No, it's clearly therapeutic benefit that you would no longer have to rely solely on finger sticks in order to adjust your insulin dose.
With respect to doing a large based clinical trial, I don't think it is necessary at this point. Obviously, it's a patient population that is substantial. A lot of the clinical work that has gone on in the past has been inclusive of age-appropriate patients. But none of them have been standalone enough to generate an independent analysis of that segment.
But as I think we go along, once we have that adjunctive claim, then the need to do additional clinical work in a specific age population group is not requirable.
- Analyst
Okay. That sounds fantastic and definitely should help you keep your costs down, which leads into second question.
We were going to ask about when we could look for you to really start driving this through. But this quarter showed that you're showing some great leverage. Is that something that we can start holding you accountable for?
- President & COO
That's a good question and I'll answer that. Certainly, we strive to achieve leverage here. There's no question.
But we also take opportunities to spend on a discretionary basis as we see growth coming. We have a study that we're starting later this year that will have several hundred patients to whereby we're going to really evaluate the efficacy of CGM with respect to lowering A1Cs; with respect to healthcare costs. It's going to be a several-million-dollar effort for us, something we would have never considered a couple of years ago.
We also take opportunities -- and we've taken opportunities in R&D and in our clinical trial group over the first six months as we've seen growth -- to spend a little more money to do some things. We've accelerated our spending on the Gen 6 sensor a bit because our results in our early feasibility studies have been so promising. We've accelerated some spending on miniaturizing electronics as well. Because the more we travel, the more we hear -- Make this thing simple and easy for us to use. And small is a big piece of that equation.
Yes, we're trying to obtain leverage. But, no, we don't go to bed worrying about that as much as we go to bed worrying about winning the race of getting the best technology to market as fast as we can. That's how we balance it.
- Analyst
Okay. Thank you very much. That's it from us.
Operator
Mimi Pham, ABR Health Company.
- Analyst
For the Vibe, I know J&J is controlling that launch schedule and strategy. But can you comment on if there are any constraints on your end from J&J launching post-approval within days, weeks?
- EVP of Strategy & Corporate Development
Mimi, I can't comment specifically. But what I can tell you is I've been very impressed with their efforts in the pre-commercialization stage, which is what I would describe us right now. I think if they get a timely approval -- and I don't want to quantify timely, within the next month or two, probably -- I think they will make a concerted effort to try to launch the product this year. There are no constraints. We're ready to go.
- Analyst
Okay, great. In terms of the international strength, was that from more favorable international coverage in any region? Or is that just due to stronger uptick of the Vibe or J&J increasing their marketing efforts international with Vibe?
- President & COO
J&J has done very well with Vibe, but it's not just Vibe. We are growing in several of our countries. We have some core countries: Germany, the Netherlands, we've done very well in Canada with our launch this year. We do very well in Italy, and Sweden is a huge market for us. And the physicians there in Sweden have figured out some ways to get some very good reimbursement.
Those countries are all growing very rapidly. Vibe is included in that mix. But our distributors are doing very well by us also. So it's both.
- Analyst
In terms of the initial interest in the G4 PLATINUM professional version, is it coming from mainly your existing customers? Or is this attracting any new endos to CGM?
- CEO
It's both. Obviously, the goal here is to replace the SEVEN PLUS professional with G4. But I think additionally, since it is real-time, there is a common theme amongst endocrinologists that even on a diagnostic tool, having the patient be able to visualize the information is important as part of the whole training process. Whether or not the patient ultimately migrates to their own personal use, which is one of the draws of having this.
But also the lessons that they can learn just in the week that they're on it versus a blinded unit, I think is driving many of the physicians to replace their former system that was a blinded system with one that is unblinded.
- Analyst
Got it. Thank you so much.
Operator
Jayson Bedford, Raymond James.
- Analyst
Hello, this is Mike Rich calling in for Jason. Thanks for taking the questions.
Circling back to the pharmacy benefit strategy, what accelerates that conversion? Is there anything specific that you need to provide some of the large PBMs before them coming on board, or is it just timing?
As a follow-up to that, you mentioned ASPs were modestly up this quarter. Longer term, as you shift to the pharmacy channel, does that pressure ASPs; or can you withstand that?
- President & COO
As we said earlier, our target ASPs on sensors are $70 to $75 per sensor. And as we model these out for the various payers and the PBMs, the wholesalers, this entire distribution channel, that's where we're focusing to realize our net ASP, at least within that range. So we're assuming pricing can remain the same.
With respect to driving that, it's a function of a number of things, getting PBMs signed up. We'd already announced our Express Scripts arrangement. Our Caremark arrangement is known as well. On top of that, we look at individual payers who can then flip the switch and go over to the benefit administered by those groups.
There are also several other payers who administer their own mail order pharmacies, who we've been in negotiations with. And combine that with even the pharmacies, the retail channel in general, what this represents for us is a sales and distribution opportunity that's not at all like what we've ever done before.
So there's a learning curve here for us, and we're learning as we go. But we've had some pretty good success. Like we said last call, I'll iterate again, any patient that comes in here, we ping -- we call it ping -- we ping their pharmacy benefit first. If we can get them product through their pharmacy at a lower co-pay, we run with it. And we've had some pretty good success with that program.
- CEO
I'd only say on the pricing, what we really look at is the reduction in transactional costs. On both sides of the equation, the pharmacy side, they're doing less paperwork; and as a result of that, they have less embedded costs. The same is true for us. If we can run it through a pharmacy, we don't have all of the paperwork accumulation and submission and the costs associated with that.
Every time we touch a piece of paper, it costs something as part of that. So this is a streamlined system. So from a COGS standpoint, in our operating margin on it, we can be a bit lenient in this in terms of negotiation because volume here will more than offset any price concessions that we might have to make in the end.
- Analyst
Yes, got it. That's helpful.
The expanded agreement with Insulet was a pleasant surprise, especially considering the size of their pediatric user base. Do you have an idea what percent of your user base is currently using the OmniPod?
- EVP of Strategy & Corporate Development
We have an idea, but we're not going to disclose it.
- Analyst
Okay. Fair enough.
Lastly, Terry, you mentioned in your prepared remarks that sensor utilization has been stronger than ever. Did you see any changes in the quarter as it relates to utilization relative to the last 12 months? Generally, we're looking at, we estimate ten-day wear on average. Did that trend up, down, or is it just more patients ordering sensors?
- CEO
Just more patients ordering sensors. We have not really seen a particular change in the days of utilization, as you said, in the last 12 months, per se.
I do think that as you add more patients, maybe some of them, initially at least, will use the product according to labelled indication. And then as they get smarter or more experienced, they may try to push it to the days use that you've indicated. Obviously, we never recommend that. So we really don't monitor that other than what people say in the blogs.
- Analyst
Okay. Great. Thank you.
Operator
Thank you. Greg Chodaczek, Sterne Agee.
- Analyst
Just one quick one for you, Kevin. You said non-base stock-based comp was $13.2 million for Q2. You said it's going to be at least that per quarter for the next three quarters. Is that what you were saying?
- President & COO
Through the end of Q1 of 2015, that's correct.
- Analyst
Okay. What percentage of users are type 2? Do you look at those?
- President & COO
No, I mean -- we really don't have a good number to give you there.
- CEO
Certainly less than 5%.
- President & COO
Yes. That's probably the easiest way to say it.
- Analyst
I'll try this one. What percentage of hardware was transmitters?
- President & COO
Nice try.
- Analyst
Okay. Thank you.
Operator
Tao Levy, Wedbush Securities.
- Analyst
Following up on that last one, last quarter you talked about the transmitters and kind of seeing a bump up in that hardware. Was there anything special about that piece of business this quarter?
- President & COO
It remains very strong.
- Analyst
Got you. Okay. And sales force adds, any changes there in the quarter? Are you still around 90?
- President & COO
We're still at the same place, And with respect to sales force adds, our typical process, as we get to the end of the third quarter and early into fourth quarter as we budget for next year, we start looking at doing the adds in Q4. And that would be our plan again this year, that we'll remain stable through this quarter.
We're seeing our people really get up to speed now that we added late last year; and now they're firing on all cylinders, the new ones. So we'll wait until the end of Q3. And if we are looking at an expansion next year, we'll start the ball rolling in Q4 and have them all up to speed and hired by early Q1 of 2015.
- Analyst
Okay. Great. Lastly, on the Gen 5 and it being sort of designed for the mobile sort of environment, the regulatory process for the devices where a patient will be able to get the transmissions, so that the smartwatch or -- will that be regulated as a PMA-type product, or is it just -- or not?
- EVP of Strategy & Corporate Development
Yes, what the FDA has said to us is that if, again, it's back to that real-time information versus retrospective information. To the extent that information is real-time coming from the transmitter, then it will absolutely be subject to our Class 3 PMA regulations. So what that means is our expectation, for example, for the Gen 5 system, is that the PMA system that the FDA will evaluate would be a dedicated receiver, a transmitter and the disposable sensors. And this time, it would also include a software application that would be included as part of the PMA.
So to the extent we could upload a PMA-approved software application on a phone or that same or similar PMA-approved software application on a Pebble watch, for example, we don't believe that the Pebble watch, just like a smartphone, would become part of the system, the regulated system. It's just the software application sitting on that device that would be part of the PMA. Does that make sense?
- Analyst
Yes. But the goal would be -- in that smartwatch -- to be able to get the real-time data.
- President & COO
Certainly. We, again, back to our objective, which is maximum flexibility for the patient, we'd love to be able to put that application on a multitude of devices to let the patient choose where they want to see their CGM readings.
- Analyst
Perfect. Great, thanks.
Operator
(Operator Instructions)
Ben Andrew, William Blair.
- Analyst
Thank you.
Looking over the model, the guidance of $220 million to $235 million, to get to the low end, you'd have to do about $114 million of revenue. In the back half, you did $106 million. Our model, just cursory adjustments here, we've you growing at relatively modest rates sequentially, like 1% for the third quarter and then a more typical growth in the fourth. How conservative is that $220 million to $235 million range relative to some of the trends we've seen?
- President & COO
We've been waiting for this question all afternoon. I do have to tell you that, Ben. So thank you. As we put the guidance together, we typically do annual guidance. And we committed to 40% growth for the entire year, and $220 million represents a 40% growth number. $235 million is upwards closer to 50%.
We have typically experienced a very slow sequential growth from Q2 to Q3. Last year, that was a bigger growth number. As we put this guidance together, we didn't anticipate the big change like we did last year.
The other thing to look at is there's this law of growing on a bigger base. Typically, our first-half and second-half split had been 45% first half; 55% second half. Last year, it was 40%/60%. So the second half was much, much bigger.
As we looked at the numbers and looked at what we're doing, we moved our range up to there on just some broad-brush assumptions. We did not go back into every single kit we're going to sell new patients, upgrades, or all the other stuff. We looked at big-picture numbers and felt, as a low end, the 40% growth we'd committed to at the beginning of the year was a good low end. And we took it up to $235 million at the high end, and that's how we got there.
- CEO
I will add, we will, similar to what we did last year, we're going to follow the same pattern we did last year. At the end of the third quarter, if we see something different, we'll give you an update on guidance and what we think we're going to do by the end of the year at the end of the next quarter.
- Analyst
Sure.
Kevin, just to push you a little bit, we're just rolling this through. We end up at the high end of the range, and we were before. But that suggests hardware revenue of about $67 million. We've got about $30 million of replacement hardware baked in. Don't even need to increase that, but probably could, which it does imply, even still, a relatively modest utilization rate compared to what you could see as peds ramp as a percent and patients are a little bit more compliant with label.
I appreciate the conservatism, certainly, in terms of setting expectations. But in terms of what is maybe more likely than not coming through, it seems like even the $235 million is probably more like a middle of the range in terms of what's realistic for the year in our view.
- President & COO
Okay. That's good.
Operator
Thank you. We have no further questions at this time. I would now like to turn the call back over to you, Terry.
- CEO
Thank you.
There continues to be a growing adoption of CGM as a key tool to better manage a patient's diabetes. And DexCom enjoys the status of the most accurate and durable CGM ever commercially introduced. It is a testament to our technical staff of what they have accomplished and the fact that DexCom continues to raise the bar.
As an example, just last week, Becton Dickinson announced it was shutting down its CGM program due to technical issues when moving into human feasibility testing. We have long stated that developing an accurate and reliable CGM is extremely challenging and very expensive. This is further proof of how difficult our work truly is and clearly supports our unique position in the diabetes industry. Thank you very much.
Operator
Thank you, ladies and gentlemen. This concludes today's conference. Thank you for participating. You may now disconnect.