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Operator
Good morning, and welcome to the Bio-Techne Earnings Conference Call for the Fourth Quarter of Fiscal Year 2018. (Operator Instructions) Today's call is being recorded.
I would now like to turn the call over to Mr. Jim Hippel, Bio-Techne's Chief Financial Officer. Please go ahead, sir.
James T. Hippel - Senior VP of Finance & CFO
Good morning, and thank you for joining us. On the call with me this morning is Chuck Kummeth, Chief Executive Officer of Bio-Techne.
Before we begin, let me briefly cover our safe harbor statement. Some of the comments made during this conference call may be considered forward-looking statements, including beliefs and expectations about the company's future results. The company's 10-K for fiscal year 2017 identify certain factors that could cause the company's actual results to differ materially from those projected in the forward-looking statements made during this call. The company does not undertake to update any forward-looking statements as a result of any new information or future events or developments. The 10-K, as well as the company's other SEC filings, are available on the company's website within its Investor Relations section.
During the call, non-GAAP financial measures may be used to provide information pertinent to ongoing business performance. Tables reconciling these measures to the most comparable GAAP measures are available in the company's press release issued earlier this morning on the Bio-Techne Corporation website at www.bio-techne.com.
I'll now turn the call over to Chuck.
Charles R. Kummeth - CEO, President & Director
Thanks, Jim, and good morning, everyone. Thank you for joining us for our fourth quarter conference call.
As you saw on our press release, we ended the year on a strong note, and I'm very pleased with our fourth quarter results as well as the execution of our strategic plan all year.
The company delivered 9% organic growth in the quarter and for the full year of fiscal 2018 as well. Our 2 divisions that primarily serve the life science research market, Biotechnology and Protein Platforms collectively grew organically 12% in Q4 and 11% for the full year. It was a great year where we capitalized on the synergies from our acquisitions and a more unified selling model between our divisions. Our performance was strong on the bottom line as well with Q4 adjusted operating margins expanding 80 basis points over last year and a record adjusted EPS of $1.34 per share.
By geography, Europe is further along with its unified selling model that combines reagents with instruments to sell full solutions to our academic and biopharma customers. The results here have been terrific. And just as we did last year, Europe reported double-digit growth for the quarter and for the full fiscal year 2018. We are reaching critical mass on the company with the team now 275 strong and four subsidiaries, in the U.K., France, Germany and Italy.
As in Europe, our Asia region also broadly delivered great results in Q4 and for the full year. In China, growth of our products was approximately 20% for both the quarter and the full year just short of our long-term expectations. Meanwhile, the rest of Asia led by Korea and Japan grew in the mid-teens in both the fourth quarter and for the full year.
EMEA is now a legal entity for the company, and we are hiring fast to capitalize on the growing opportunity there. Asia seeks to be a leader in bioprocessing and biosimilars, and we have thousands of products designed for these markets. All this growth in Asia couldn't have happened without excellent collaboration and execution by our operations in the divisions and our commercial teams in the region.
Here in the U.S., we finished with around 10% organic growth for both the quarter and the year. The academia end market was strong for us all year with the macro NIH funding environment the tailwind right now. The biopharma market rebounded from its brief blip in Q3, growing high single digits in Q4 and for the full year.
We've been capitalizing on the strength of our end markets by continuing to invest in our people and our digital capabilities. About 6 months ago, we organized our IT, digital marketing and web design into a new support organization called Digital Solutions. It has put new emphasis and strategic significance around all things digital for the company. We hired a new world-class leader to run the organization and have embarked on a journey to the all-digital information as mission-critical to serving our customers. It has worked well.
We've completed the Minneapolis phase of the ERP project, redesigned many of our websites, including search engine optimization, and began projects such as single order point processing for our products, no matter where they are produced as well as consolidation of our many CRM tools. The idea is to better serve the customer's single order shopping online and deploy a sales force that is trained to offer the whole catalog of Bio-Techne. Specialists may be needed to close the deal, but we will reach the customers from a single point of contact and not from a group of disassociated reps from multiple divisions in the company. The U.S. commercial organization with now over 100 people. 5 years ago, it was 8.
Now I'll put some color on our Q4 performance by division. It was a fantastic year for our Biotech division, which grew 11% organically in Q4 and finished the full year with 9% organic growth. Biotech's core products continued to perform very well with collective growth in the high single digits for the year and accelerated 10% organic growth in Q4. The growth for the quarter and the year was broad across all major product lines, including proteins, antibodies and assays.
We are now seeing the appearance of revolutionary new medicines that utilize living cells in the therapeutic. These include cell therapies designed to target cancer. For example, recent FDA approval of the first CAR T-cell therapy as well as stem cell-based therapeutics. To manufacture a cell-based treatment is complex and requires high-quality raw material for cell culture. T demand is an exciting and rapidly expanding area. We offer the highest quality and the widest selection of GMP proteins, including many exclusive to Bio-Techne and large-scale manufacturing capabilities for bioprocessing. The recent acquisition of Quad Technologies and their unique system for new cell activation adds to our rapidly growing portfolio.
With regards to antibodies, we've been validating an extensive and growing number of antibodies using recent advances in gene editing technology. The specificity and power of the CRISPR gene editing system is now being utilized by Bio-Techne for the validation of antibodies in knockout cell lines. This methodology is one of the proposed and currently most effective negative controls identified by the international working group for antibody validation.
Bio-Techne now has validated R&D systems in Novus Biologics branded antibodies for over 110 different targets in a wide range of CRISPR knockout modified cell lines and partnered with 2 gene editing companies to produce biologically relevant data for nearly 1,000 antibody products. Bio-Techne gene knockouts are produced in over 10 different cell line models, all of which have been carefully selected to include those frequently used by scientists in their daily research, making these lines the most relevant in vitro model.
Bio-Techne performs antibody validation for various applications using knockout cell lines, including Western blot, immunocytochemistry and flow cytometry. Bio-Techne's knockout validation initiative meets the need for the life science research community for antibodies with enhanced efficacy testing and is just one example of how we differentiate our antibodies to be a market leader.
In assays, our recent success has in part contributed to our commercial cross-platform immunoassay workflow campaign. Bio-Techne has the broadest and highest quality assay platform to give our customers choice in selecting the solution they need. These include DuoSets that are used in basic research, our gold standard, single Analyte ELISA kits that are used as a performance benchmark for all other assays and high-quality multiplex assays.
SimplePlex, the automated high sensitivity and reproducibility assay produced in conjunction with the Protein Platforms division is becoming a big success, growing at 80% for this fiscal year. We saw great success this year from our Luminex high-performance product offering with the launch of the Human XL Cytokine Discovery Luminex high-performance assay. This assay offers a broad choice of 45 analytes with superior accuracy when compared to other leading Luminex assay suppliers. Our customers, who perform biomarker discovery and profiling will appreciate the flexibility of choosing only the analytes they need. And our easy order option, which will allow analyte selection online.
Rounding up the Biotechnology segment, ACD finished the year with well over 30% Q4 growth in researching from a market -- it's current primary market, and over 30% for the full year overall. In addition to academic research, RNAscope and BaseScope assays are invaluable research tools for pharma and biotech companies. We wanted to make access to our technology even easier, which is why ACD created assays services offering some years back. This enables us to run and develop assays for our customers, significantly reducing their discovery times and cost.
We will listen to customer needs, expanding our tissue bank and creating regularly available data sets to enhance this further -- this offering further. Our goal is to facilitate drug discovery and development as much as possible by always being responsive to customer feedback and requests and by developing tools and services that really help to achieve research goals as quickly and as easily as possible.
Today, the assay services team is working on more than 100 custom projects per quarter. Following strong uptick in the research markets, a focus in fiscal '19 will be more rapid penetration of RNAscope in the diagnostics, a market that could be even bigger for ACD in research. Deepening our relationship with the key diagnostic instrument providers and expanding our diagnostic offerings on the ACD platform will be key to our success in this market.
Moving on to Protein Platforms, which came rolling back in Q4 with nearly 20% organic growth in the quarter and the full year. This was tremendous growth especially considering the very tough comp in biologics sales this quarter as it did last quarter, with 50% growth in prior year. The accelerated growth last year was driven by customer replacements of old iCE280 instruments, which was spurred by our discontinuing future servicing of those systems in the second half of last year. Excluding customer placements, new customer placements of iCE instruments increased 25% in Q4 over the prior year.
But the biggest story for Protein Platforms this year has been the Simple Western platform, with well over 30% growth for the quarter and over 25% growth for the full year. With over 1,100 instruments in the field and over 450 citations and publications, it appears that our automated Western blot platform has crossed the chasm from early adopters to more mainstream in our customers' workflows. Getting there has not been an easy. Our teams have put tremendous effort into marketing, demos, customer consultations to raise the awareness of Wes' capabilities and efficiencies.
Just this past month, we announced an expansion of the Simple Western platform with a new instrument we call Jess. Jess builds on current Wes technology by using chemiluminescent detection, which gives picogram level sensitivity, enabling researchers to maximize the data they obtain from their samples.
New fluorescent modes enable the detection of multiple wavelengths in the infrared and near-infrared spectrum, bringing definitive multiplexing capabilities to the Simple Western platform for the first time. Additional features include an in-capillary protein normalization reagent in our Western blot imaging system for traditional blotting membranes. Jess expands the application that Simple Western technology can be used for, and together, with Wes, automates both the protein separation and immunodetection elements, characteristic of traditional protein analysis techniques, eliminating many of the tedious error-prone steps. This momentum we have with Wes and the market expansion option we have with Jess, we are very excited about the prospects for the Simple Western platform as we head into fiscal '19 and beyond.
Next, moving onto Diagnostics division, where timing of OEM orders resulted in a 2% decline of organic revenue in the fourth quarter and full year organic revenue ended up at 1%. This was a tough year for the division, with larger OEMs re-leveling their inventory needs as well as an industry trend towards continuous glucose monitoring, which is reducing the need for glucose control. However, we did see strength in our hematology controls and point-of-care diagnostics kit and reagents manufacturing in fiscal '18. We expect the strength of these product lines to continue in fiscal '19, eventually overtaking the declines we have seen in glucose. In fact, the demand in these 2 key areas of our Diagnostics business have never been better as we'll be expanding our facilities to accommodate the growth.
Also, I would like to comment on our strong operational income and EPS performance in Q4. We outperformed our expectations for adjusted operating margins with solid productivity from our teams and a more favorable mix of robust high-margin biotech product sales. Adjusted EPS reflects a strong operational performance, but also includes continued nice tailwinds from tax reform and foreign exchange.
Finally, we announced in the fourth quarter and closed this past month on 2 very strategic deals. In the past, we have discussed our strategy of moving further into clinical markets, expanding from research tools into diagnostics and therapeutic tools. With the purchases of Quad Technologies and Exosome Diagnostics, we have accomplished both.
Cell-based immunotherapies continue to make progress as acceptable alternative therapies for challenging diseases where conventional first-line therapies have failed. This has created a need to find efficiencies in the manufacturing processes of new therapies, especially in the key steps of cell isolation and enrichment allowing the cell activation. Quad Technologies addresses both of these manufacturing steps by providing a biocompatible, dissolvable polymer called QuickGel, which when functionalized with the correct antibodies can capture the cells of interest, primarily T cells, and then activate them for large-scale expansion. The benefits of the QuickGel technology is the ability to manufacture and then size of the (inaudible) of the separated cells associated with the normal cell activation process as well as the ability to dissolve them and reduce the risk of contaminating the final cell product to be infused into the patient.
In the field of Diagnostics, liquid biopsy is an approach to bypass the traditional invasive tissue sampling conducted to confirm disease or assess disease progression. Three key targets have been used in liquid biopsy analysis, circulating tumor cells, cell-free DNA and exosomes.
Exosome Diagnostics has pioneered the use of exosomes with a diagnostic tool because it offers a number of advantages. For one, exosomes are typically abundant in most bodily fluids, unlike CTCs, and relatively easy to isolate during all stages of a disease. Second, the cell surface immunophenotypic properties of exosomes provide insights into their tissue of origin, unlike cell-free DNA. Also the quality of the nucleic acids exosomes contain is very good, unlike cell-free DNA typically exposed to circulating enzymes.
Given these advantages, Exosome Diagnostics has developed and commercialized an exosome-derived diagnostic test, which is called EPI that is based on expression signature of three-gene. The test will often use gene expressions to determine whether men who have an ambiguous PSA score would benefit from having a prostate biopsy. The EPI test is a rule out test with a sensitivity of 92% that attempts to reduce the number of unnecessary biopsies done yearly, biopsies, which can lead to serious complications for patients. This is an exciting and game-changing technology with 180 patents filed for CAR T and more to come.
Historically, we've been a company focused on research tools primarily in proteomics. The future is bright for us with our strong brand and science presence as we have moved closer to the clinician diagnose and disease conditions like cancer with Exosome Diagnostics acquisition, SimplePlex platform, Luminex assays and ACD with RNAscope technology platform.
We are quickly becoming a company that can provide tools for cancer research, diagnosis and therapeutics in the likes of CAR T workflow. It's an exciting time for our company as the past 40 years of innovating over 40,000 products that physicians have to leverage the field of cytokines and growth factors, we pioneered at research tools to now becoming the tool for diagnosis and therapies too.
Fiscal '18 was our best year in the past 5, and we have strong momentum going into fiscal year 2019. I feel very fortunate to be leading this wonderful team of now 2,100 strong worldwide. I want to thank all of them for the energy, passion and commitment to our company in the ongoing battle to rid the world of diseases. It's a wonderful endeavor.
Jim, I'll now turn the call over to you to provide more details on our financial performance for the quarter.
James T. Hippel - Senior VP of Finance & CFO
Thanks, Chuck. I'll provide an overview of our Q4 financial performance for the total company, and to provide some color on each of our 3 segments.
Starting with the overall fourth quarter financial performance. Adjusted EPS increased 23% to $1.34. Our GAAP EPS for the quarter was $1.07 compared to $0.74 in the prior year. Q4 reported revenue was $180.3 million, an increase of 15% year-over-year, with organic revenue increasing 9%. Fourth quarter reported sales include a 4% growth contribution from acquisitions and a 2% contribution from favorable foreign exchange translation. Organic growth for the full fiscal year 2018 was 9%, the best full year organic growth since this management team has joined Bio-Techne.
By geography, the U.S. grew in the low teens, with BioPharma growth in the high single digits and academia growing in the low teens.
As in the U.S., Europe's organic growth continue to be strong in the low teens overall, with the BioPharma end market growing in the high single digits and academia growing in the mid-teens.
In Asia, China's organic growth was nearly 20% in the fourth quarter. Japan grew in the high teens, and the rest of the Asia Pacific region grew in the mid-teens.
Note that all references made the growth rates by region and end market exclude our OEM sales, which mostly occur in our Diagnostics segment and, to a lesser extent, in our Biotech segment.
Moving on to the details of the P&L. Total company adjusted gross margin was essentially flat for the prior year at 71.8% in Q4, with volume leverage negated by the mix from recent acquisitions.
Adjusted SG&A in Q4 was 24.5% of revenue, approximately 20 basis points higher than the prior year. Strategic commercial investments to drive growth, the inclusion of recent acquisitions and the impact of foreign exchange all contribute to the year-over-year increase in SG&A.
R&D expense in Q4 was 7.8% of revenue, down 100 basis points from prior year due to volume leverage and timing of projects. The resulting adjusted operating margin for Q4 was 39.5%, an increase of approximately 80 basis points from the prior year period.
For GAAP reporting, SG&A in Q4 reflects an $11.2 million increase for stock option expense over the prior year. A new retirement policy was implemented in the fourth quarter that permits retirees to continue investing in certain time-based stock options granted during employment. This new policy resulted in accelerated stock compensation expense for those employees meeting the definition of retirement.
Looking at our numbers below operating income. Net interest expense in Q4 was $2.9 million compared to $1.8 million of net interest expense last year. The higher interest expense is driven by multiple rate increases in the past year on our outstanding line of credit.
Other adjusted nonoperating expense for the quarter was $0.3 million, essentially the same as the prior year quarter. For GAAP reporting, other nonoperating include the $16.1 million gain from a partial sale of our investment in ChemoCentryx. We monetized a little over 1/3 of this investment in the quarter to diversify our portfolio and raise cash funds for the pending acquisition that we made in July and early August.
Our adjusted effective tax rate in Q3 was approximately 24.5%, nearly a 5 percentage point improvement from the prior year due to tax reform. For fiscal year '19, we still expect this adjusted effective tax rate to stay consistent plus or minus 100 basis points.
In terms of returning capital, we continued to pay our dividend and paid out $12 million in the quarter. Our average diluted shares for the fourth quarter increased approximately 2% over the year ago period at 38.3 million shares outstanding and the full year increased approximately 1.5% at 38.1 million shares.
Turning to cash flow and the balance sheet. $64.4 million of cash was generated from operations in the fourth quarter, and our net investment in capital expenditures were $5.1 million. Excluding acquisition earn-out payments, which for GAAP purposes are deducted from operating cash flow, our adjusted cash flow from operations in the quarter was $64.8 million and $196.5 million for the total year, both new records for the company.
Management viewed these earn-outs as part of the purchase price paid for acquisitions, thus an investment rather than an operational cash expense. Both the Q4 and full year adjusted operating cash flow demonstrate the strong quality of our earnings and management of net working capital.
And as for other notable items in our balance sheet, we ended the quarter with $181.8 million of cash and short-term available-for-sale investments. Our long-term debt obligations at the end of Q4 stood at $339 million, that's down $53.5 million from the end of Q3. Going forward, our capital deployment priorities are; debt pay down, opportunistic M&A and paying our dividend.
Now I'll discuss the performance of our 3 business segments, starting with the Biotechnology segment. Q4 reported sales were $115 million, with reported revenue increasing 18%. Acquisitions contributed 5% to revenue growth, foreign exchange contributed 2% and organic growth of 11% with solid growth across all major product categories. For the full year, organic growth for the segment was 9%.
Operating margin for the Biotech segment was 48.1% comparable to Q3 and a decrease of 100 basis points year-over-year due to unfavorable product mix. Core Biotech operating margin for the quarter was a very healthy 54% while operating margin contribution from ACD products was in the mid-teens compared to the low single digits in the prior year.
Turning to Protein Platforms segment. Net sales in Q4 were $32.3 million, a total increase of 21% from the prior year period. Organic growth for this segment was 19% with currency translation having a favorable impact of 2%. Double-digit growth continued in all major product categories with standout this quarter being the Simple Western platform, which grew more than 30% and a SimplePlex platform, which grew nearly 60%. For the full year, organic growth for this segment was 20%.
Operating margin for the Protein Platforms segment was 19.7%, an increase of 350 basis points from last year. Strong volume leverage and operational productivity drove the year-over-year improvement, partially offset by strategic growth investments made throughout the past year. Protein Platforms ended the full year with adjusted operating margin of 16.1%, an increase of 550 basis points over the prior year, a significant milestone that continued to march towards even higher double-digit profitability.
Moving on to our Diagnostics segment. Reported revenue in Q4 was $33.1 million with reported growth of 2%. Organic revenue decreased 2% from the prior year, while acquisitions contributed 4%.
As Chuck explained in his comments, the timing of OEM shipments was less favorable this quarter while the segment's more run rate-based hematology control product category experienced steady growth in the high single digits. Full year organic growth for this segment was 1%.
At 32.2%, the Diagnostics segment operating margin was essentially flat from the prior year, with favorable OEM mix offsetting lower variable volume contribution. The margin improvement was due to volume leverage and favorable OEM product mix.
In summary, our aggressive growth continues to be solid, both in terms of end market and product categories. Our operational profitability was in line with our expectations, even slightly ahead due to stable mix of Biotech segment revenue growth this quarter and all year. And our very strong cash flow performance demonstrated the quality of our earnings. On the bottom line, tax reform was a real positive for Bio-Techne as it was for most U.S.-based companies.
As we look to the year ahead, we expect our existing business to continue to execute to its strategic plan as it has the past several years. For fiscal 2019, this means at least high single-digit organic revenue growth. Executing this plan also means holding the strong operating margins we've maintained in our legacy core Biotech portfolio and Diagnostics division while rapidly expanding operating margins in our fast-growing ACD platform and Protein Platforms division.
Depending on how the relative mix of our business turns out, adjusted operating margin for the legacy total company could be anywhere between flat to 100 basis points improvement in fiscal year '19 compared to fiscal year '18, or somewhere in the middle being the most likely scenario in our models currently.
The 2 very strategic acquisitions that Chuck discussed and that we just completed this past month, significantly bolstered the financials of our long-term strategic plan. The details of which we will share at our upcoming Investor Day at September 7 in New York City.
Both of these companies just began commercialization of our products in January, and we believe are near their inflection point of rapid revenue growth. However, knowing when that precise inflection point will occur within the year is difficult to predict. That the financial impact of these acquisitions, especially Exosome Diagnostics will have on Bio-Techne's financial results for fiscal year 2019 could vary widely.
Although Exosome Diagnostics does have some revenue from companion diagnostic programs from our partners in clinical trials, the near-term ramp of revenue for the business will likely come from a wider adoption of our EPI prostate cancer test. The list price of this test is $795, and the Medicare-approved price is $760. Actual realized price could be lower based on private payer contracts and claim collectability for certain patients.
Exosome is currently processing over 1,000 tests per month in spite of the pending NCCN endorsement and Medicare reimbursement decision. Although its volume has been generated from a sales force of only 6 people 6 months ago, their sales force is now over 2 dozen people and expected to grow to 60 people by the end of the year, positioning Exosome Diagnostics to capitalize on the increased demand that should come with NCCN endorsement filed by Medicare reimbursement. We expect both of these to occur in the first half of fiscal year '19. And if this happens, we believe $30 million of revenue is achievable in the first year.
We also expect that with approximately 6,500 tests per month, Exosome Diagnostics will turn profitable. How quickly this will happen is difficult to determine, but we believe it could be by the end of our fiscal year. In the meantime, we expect the acquisition of Exosome Diagnostics and Quad Technologies to unfavorably impact overall Bio-Techne adjusted operating margin by somewhere between 200 and 400 basis points in fiscal year '19.
Our models show continued rapid adoption of the EPI tech beyond fiscal year '19, with the business breaking even and even turning profitable in fiscal year '20. However, the leaders of Exosome Diagnostics have signed up for a larger earn-out in calendar year '20 that is tied to a very large profit number that same year. We are much more optimistic regarding the speed and magnitude of adoption of the EPI prostate cancer test. If there's a team that could execute to these earn-out targets, it is this one, so but don't count them out.
That concludes my prepared comments. And with that, I'll turn the call back over to Rachael to open the line for questions.
Operator
(Operator Instructions) And we'll take our first question from Dan Arias with Citigroup.
Daniel Anthony Arias - VP and Senior Analyst
Maybe just to start on the outlook for the year. Chuck or Jim can you just talk to the way that you're looking at segment performance to get to the high single digit organic guide for the year? Should we still expect PPD to be in that 15% to 20% range? And then what are your expectations for ACD next year in order to get to the full year outlook?
James T. Hippel - Senior VP of Finance & CFO
Pretty much expected this to be the first question. Yes, yes, we're actually very bullish along PPD. There has been a roaring comeback which we said would probably be likely, a bit of a blip of biologics last quarter, was insignificant after all. We had just stellar results this quarter, and we're just as bullish, if not more. The 15% or better is very highly likely. I mean, we're tracking both in the 20% for the last year or more. So hopefully, we'll get that even, but 15% should be a safer number. In ACD, we were ecstatic to really stay in the RUO market, the core areas of 30%. A little bit of lumpiness on the Diagnostics side, but overall, our thesis is coming near. We plan to be 30% or better for this next year, and we're holding our line on that. I think, the team is integrating a little harder in Europe than the U.S., but it's coming along very well. We know we have new leadership overall in the segment with Kim Kelderman, and that's helping as well. So we're actually -- we're feeling pretty good about 30% for this coming year in ACD.
Daniel Anthony Arias - VP and Senior Analyst
Okay. And then maybe on the Exosome and Quad dilution for next year. It looks like 300 bps or so is probably where we should start to think about the impact for 2019. Is that based on $30 million of revenue by the end of the year, and just the ramp that you're assuming for commercial activity and then also just Medicaid, Medicare coverage, et cetera? I guess maybe just a little bit more color on what the assumptions are underneath the op margin guide for the year.
Charles R. Kummeth - CEO, President & Director
Well, we've been preparing well for these questions, and I understand the significance of this acquisition and going forward. And we've been here before with other bigger acquisitions, and we waited for these to kind of come in line and then hit that inflection point and take off. This one is no different. We are definitely near a nice inflection with this technology. I'll talk about NCCN guidelines in a minute. But the $30 million, we think, is a very doable. Their forecasts are even much higher. We think it's in the range of being a strong possibility. They're ramping quickly. The 1,000 tests that Jim commented on was already a month or 2 ago, and they're ramping higher than that now as they're bringing on more reps. It is very much -- reps going after urology clinics and getting the business. And with the guidelines coming with NCCN and getting NGS, which is Medicare, we expect those later will increase significantly at that point, which is pretty, we think it is imminent. How to figure out where we're going to be on the burn rate across the -- of growing this entity is difficult. If they stay at the level they were in Q2, we're going to be out over $10 million and over that 200 basis points. If they stay on track with the ramping they're doing, it's going to be significantly under that. As Jim said, by the end of the year, we could at a run rate of $50 million or $30 million for the year, and be -- and be in positive territory for income, but it's anyone's guess right now as they're ramping. The good news is we're not just -- not waiting 3 years like we did with ProteinSimple. We're talking about a year of this thing hopefully skyrocket some. And we've got a big earnout with this team. And they've got a great team. We don't expect to lose any people, we've not, we're hiring quickly. And we're going to let them do their thing. They're the experts in this area. They're experts with the FDA and Medicare reimbursement. They know what they're doing. It's been a real pleasure having that team onboard. We're going out next week to actually welcome them all and have our first business review, and kind of reintroduce them to the rigor that we do as operators in this company, and they're all excited for that, and the tools will help them with it. But it's in the -- in that 300 basis point, probably around that $30 million. And I think it could be better, but things could happen. So not too far off the guidance we gave you in terms of after the acquisition call. Nothing's changed since then. Actually it has only improved. Information is all improved. And I will mention as of this morning, we do have verbal acceptance from the NCCN that the second paper is going to be accepted, and it's with the European Neurology and -- which has been a very important vehicle out there. So we're hoping that off of that, once we get to including online, and that will pave the way for the NGS decision, which is Medicare, which we think will be imminent. Of course, we can't tell you when. All I can tell you is that we do have news this morning that the paper has been accepted. So that's really great news for NCCN guidelines. And from here, it's hopefully going to be tracking, as we stated. We gave guidance of -- before end of the calendar year for all this. I'd be shocked if we can't make that at this point, but we'll see.
Daniel Anthony Arias - VP and Senior Analyst
Yes. Maybe just one more quick one and then I'll hop back in the queue. Jim, the stock-based comps spike in the quarter, I guess, wasn't really surprising, but could you just help us with the assumption for next year for looking to get a sense for op margins that are inclusive of that expense.
James T. Hippel - Senior VP of Finance & CFO
Yes. It should come back down in more normalized stock comp expense. They are little bit higher year-over-year due to the fact that we have more people on board. We've Exosome personnel now included as well. But again the spike we had in Q4 was kind of a one-time catch-up due to folks that are at or approaching retirement age and, therefore, the GAAP rules required us to accelerate that expense.
Charles R. Kummeth - CEO, President & Director
And then going forward, it'll be lumpy. Q1 is where the hit will be every year.
James T. Hippel - Senior VP of Finance & CFO
Right.
Operator
Next, we'll move on to Puneet Souda with Leerink Partners.
Puneet Souda - Director, Life Science Tools and Diagnostics
Chuck and Jim, first on PPD and Simple Western. I mean, you have had the Simple Western product for some time. And obviously, as you pointed out that this has gone mainstream. Maybe first, could you give us a view of how much of this was academic versus BioPharma this time? And sort of how should we think about Simple Western and the growth of the new hybrid products that just came out sort of longer term?
Charles R. Kummeth - CEO, President & Director
Well, okay. So first off, it's been around for 3-ish years now, and it's taken some time to get accepted, and we talked a lot about it in the past. It's such -- it is such a big change from doing them by hand that it has to be sold into -- into the different laboratories. Our goal is to still make it standard and to make it the way -- students start doing Westerns in the future eventually, and no different than moving to calculators was 30 years ago. That's our goal. I think it's a balanced level of growth between academia and pharma, and growth is strong in both categories. We had, I am not going to tell you the number of instruments we had and we sold, it was a record number. It was fantastic. It puts us well over 1,100 total in the field, and the publications are actually growing even -- at the fastest clip ever as well. So we know we're crossing that chasm, they're becoming broad-based accepted quite simply because it works. And it saves a ton of time. It's very productive. And we're now going to be able to go a little more upstream with Jess, and with more capability of doing multiplexing samples at the same time, which is something that's been asked for forever. And then that gives us more flexibility with West probably at the academic level, clearly having the ability to promote that further to get more acceptance in smaller labs, smaller universities where budgets may be tighter. So I will also state that the consumables growth has been astounding. We are well on track to combine the consumables and service to being north of 50% of the revenue. So the attach rate of cartridges has been really, really good. That means that people aren't just using things thinking they'll get around to them and figure out how to use them. They're using them, and they're using them a lot, and they're liking what they see. So...
Puneet Souda - Director, Life Science Tools and Diagnostics
Okay. And another one on -- let me touch on China if I could. Obviously, it's strong growth as some of the peers have reported to similar growth numbers. Help us just understand, I mean, how are you looking at tariffs and any potential impact there in fiscal year '19?
Charles R. Kummeth - CEO, President & Director
Yes. Well, currently, there's almost no impact. We're at less than 1% level, and that's because most of our products aren't in these chemicals classifications, but if the $200 billion-plus next phase goes into effect, we're going to be hit on many fronts like everybody else. All the instruments for sure and many of our assays will also be implicated. What's the impact going to be? I think it's mixed. We'll do it product line by product line. Obviously, a lot of our products, we're the only game in town, and so we'll be passing on the prices, obviously. But where there is local competition, and there probably some in the antibody area for sure and that will be some -- that could be, you know, a little different story, but I think the mix will be okay. We're still not overly concerned. Our teams aren't too concerned. We're just aware of it, and starting to get ready just in case, and we can -- we can do something, moving some things directly from the U.K. that are made there, and also from Canada. So is there is some -- there's some things we can do, but for the most part, most of our agents and our products come out of the U.S. So there could be an impact if -- if the phase II and III $200 billion-plus plans go into place, which it's anyone's guess whether they will or not.
Puneet Souda - Director, Life Science Tools and Diagnostics
Okay. Last one on Exosome. I was hoping if you could elaborate on your approach to commercial payers after Medicare here. Do you think you can hold this price, sort of longer term? Help us just understand the strategy you're taking with commercials.
Charles R. Kummeth - CEO, President & Director
Well, I can go from the historical data, I mean, we did all these original models at a $500 number and we were all ecstatic when CMS came out with a $760 price. That gives us lots of room. We're pretty much sure we can hold over 6 -- $600, but I think $700 initially, it's going to be in that range. We're getting the number where they are getting paid, it's coming in where it needs to be. But as always, there are different payer groups come in and they do their contracts, probably move around a little bit, but definitely north of $500, but hopefully closer to $700. Yes, one comment -- one final comment to is that -- we -- the Blue Cross Blue Shield network is a big proponent and supporter and early supporter and adopter in this technology, so we expect them to be really compliant with all that pricing as well. So they've been really good to work with it, and we're hoping that they -- eventually this becomes more a mandated stream even. So that's the idea that's going to be out there.
Operator
And next one is from Catherine Schulte with Baird.
Catherine Walden Ramsey Schulte - Senior Research Analyst
Obviously, a nice return to double-digit growth in the Protein Platforms segment. Can you just talk us through your outlook on the competitive environment in that business on the biologics side? And any specific changes you made during the quarter to get back on that strong trajectory?
Charles R. Kummeth - CEO, President & Director
Well, all I can say is the stories of the biologic's demise was greatly exaggerated last quarter. We don't have an awful lot of competition in this category. In the Simple Western, we have virtually none. So -- and now we see SimplePlex becoming more material, and if it continues growing at 60%, is going to have a bigger overall basis, and Single-Cell is finally starting to take off. It has taken a while to get that going. These chasms, I guess, are deep in some of these new to world instruments, so we're feeling pretty bullish. I will mention also that we have a big project in place with the biologics platform to get it working under Empower and Empower is one of the standards out there in use now in most laboratories. And without that -- that definitely probably cost us some sales, but even now, just being able to talk about that we're in the middle of integrating that system, and we'll have that commercialized within the next year or so, and that's helping with a lot of decisions going forward with funding to go with this platform or expand in this platform beyond iCE. So all good. I think of all our numbers, we've been steady around 15% or better, it's probably one of the safest ones, I think, we have right now. So...
Catherine Walden Ramsey Schulte - Senior Research Analyst
All right. Great. And then appreciate the color on Exosome, but can you walk us through what your assumptions are for Quad in terms of revenue contribution next year and then what that long-term margin outlook looks like?
Charles R. Kummeth - CEO, President & Director
Yes. Jim and I talked about this and said it might come up. It's so small really compared to Exosome that we didn't want to bring too much rhetoric in the transcript for it, but it's a great platform for us because we have always -- in cytokines that we sell, we're involved in all this -- this CAR-T type workflow already. But we really want to get bigger in this on the tools side of it, you know, tools for therapy. And this QuickGel technology is in the midst of 3 very large clinicals, large pharma clinicals right now, and it's being looked at and qualified by at least a half a dozen others. It is going to be a wonderful platform. This year, most of the revenue is really around just revenue for the clinicals, so it's not much this year and -- but it expands greatly, it virtually explodes next year and the year after -- everybody -- if these clinicals all hit. So we'll give more guidance as we get -- if it gets beyond $1 million in revenue and become something. But now -- again, this, tool is only a year away from really being in a profitable state, maybe even less. And it's a small team, we're actually doing some of the work here as well. Because there's a lot of good synergies centralized with our teams in core biotech, so it's good that way. The team has all come on board. The founder and leader is on board. It's a leader of the small business unit right now, and loving it. And it's so far so good. I've got to mention to you this thing about both of these platforms that we need salespeople, and ever since the acquisitions have been announced, the phone has been ringing off the hook. It appears that a lot of great salespeople like to come on board once they know that we can make payroll. So...
Catherine Walden Ramsey Schulte - Senior Research Analyst
And last one from me just on Exosome. How should we be thinking about the revenue trajectory over the next several years? Where do you peak margins, and what level of revenue will it take to reach those steady-state margins?
James T. Hippel - Senior VP of Finance & CFO
Well, it's an LDT, right? So we have to seed it, we have to build, we have to build regionally, we have to build in shifts and that's the model. We're capable right now of actually doing as many as 500 tests a day. Obviously, we're well under that. So we're good for a while. We have world-class operations people ready to ramp this up. We have world-class reimbursement people online with ExosomeDX. I mean, this team has been at this for a while and they've really done their homework, and they've been around a while, right? So they seem to know what they're doing. The $30 million this year is our number, and it's, I would say, on the north side of conservative really. We think it's a range of $20 million to $35 million probably. And I'd be really happy with $20 million or better, to be honest, coming from nothing in January. But the ramp from next year and on, they're big numbers. We'll give you more color on that in New York. Right now, they're -- we're still trying to figure out what we're going to say, because they're too big, they're big. And Catherine, what I would just add is the agreement with Exosome Diagnostics is public information. It's out there on our website, and details to the earnouts are out there as well. And you can see the earnouts are based off of operating profit numbers or EBITDA numbers both in calendar year '20 and calendar year '22, and they are very big numbers, which gives you a sense of what the Exosome Diagnostics team's internal expectations are and that they think they can hit. So we're downplaying that a bit just to be conservative, but that's what -- where the potential is and that would suggest a very, very large revenue, a couple of hundred million dollars or more, just in as little as 2 to 3 years and then operating margins that are at least 30% or higher. So that's what they think they can do. We're being somewhat conservative in our viewpoint in terms of valuation, but that's where the potential is.
Charles R. Kummeth - CEO, President & Director
Yes, we've lived through ProteinSimple and others, so we're not going to get ahead of our skis too soon. But it's a good story so far, and the ramp is happening, so we're very happy to see the growth happening. And this is all without Medicare yet, so get ready.
Operator
And let's move to Dan Leonard with Deutsche Bank.
Daniel Louis Leonard - Research Analyst
First question, can you talk about the sustainability of the strength you're seeing in Europe?
Charles R. Kummeth - CEO, President & Director
I'm sorry. Could you say that again?
Daniel Louis Leonard - Research Analyst
Yes, yes. Can you talk about the sustainability of the strength you're seeing in Europe and to do what you're doing to try to support that?
Charles R. Kummeth - CEO, President & Director
Yes. We're letting them hire a lot more people than we originally thought. Their growth has been outstanding. We've brought in a great leader that ran health care for 3M. We put in place a subsidiary model. We put in place what we call an EOC, it's an operating committee from all the regions. So we have a matrix in place with the divisions learning to run a global P&L, and it's just working because that scenario allows synergies to be created for selling. So the divisions can work together, the teams work together. It's all under a unique kind of management style that just wasn't there in Europe before. We just had nothing. So call it a catch-up. I mean, how long it will go? I think another year or 2, or at least until geopolitical events in Europe change greatly or Brexit becomes a real truly negative reality or something, but it's been double-digit, and I don't see it stopping in the next few quarters anyway.
Daniel Louis Leonard - Research Analyst
Okay. And then just a cleanup question for the model. Did you give the organic growth rate for ACD in Q4? I might have missed it.
Charles R. Kummeth - CEO, President & Director
We didn't give it in total. We mentioned that the research use only market, which is the primary market for that business right now was 30 -- was over 30% growth for the quarter. Their companion diagnostic piece, which is much smaller, but much more lumpier was up and down, but the service, -- and service business. But the core product business right now, which is their products in the research space, was up over 30%.
James T. Hippel - Senior VP of Finance & CFO
To be transparent, Dan, we -- they have a service component that was -- it's very lumpy, and they had a huge comp from a year ago. And when you put that all in there, it's under 30% for the whole company, but it's kind of a onetime blip there. As long as RNAscope and what it's being used for is growing at 30% plus. That's kind of what we focus on. But it was actually like 36%, and so -- and we had a really strong launch to this quarter, July was really strong as well. So to the question earlier, that's the big question. Can we stay above 30% of the business unit, and we think we can.
Operator
And next we'll move to Amanda Murphy with William Blair.
Amanda Louise Murphy - Former Partner & Healthcare Analyst
I actually just had a follow-up to the question that Puneet was asking around private payers for Exosome. So just curious, is there, I guess, I'm just trying to get a sense of what if anything you guys need to do, is there any more data that you need to build up in order to move forward with the private payer side?
Charles R. Kummeth - CEO, President & Director
To be honest, we're trying to learn this ourselves. We're, as you know, as a company core we're not reimbursement experts. We've been a tools company and we're going this direction, and -- they're -- they're helping it. We'll be out there next week and learn more. And I hear numbers for them to be anywhere from 100 to 200 heads covered and there are different metrics and algorithms people use, and I think it's all baloney. So I think we have tens of millions of people need -- covered for Blue Cross that should be over in place. We've hit -- but roughly 30% of the market are these neurology centers, these labs, and that's where the salespeople are focused and that's been where the great take up is, and that will lead to more leverage. So we're going to be trying to put together for New York just exactly what is the addressable market being all these payers, being the neurology centers, et cetera. Certainly, right now, it's more than we can handle, and we need the NCCN guidelines in place so that there'll be more conformance through the major payers, right, the systems out there. There is quite a bit of acceptance, even people -- through the neurology centers themselves, even people on their own because it worked so well, but we need -- we need Medicare, we need the NGS decision, and then we'll start seeing the major payer systems lining up, and then we'll have -- and then we'll know metrics off of that.
Amanda Louise Murphy - Former Partner & Healthcare Analyst
And just to be clear, the $30 million that you were talking about, that assumes that you got Medicare coverage? Is that right?
Charles R. Kummeth - CEO, President & Director
That assumes, yes. Before and by end of this calendar year this year, which we think is moving forward and we feel very good about that now. So...
Amanda Louise Murphy - Former Partner & Healthcare Analyst
Sorry. And I had a question on the kind of legacy (inaudible) antibodies and analytes. It feels like for a few quarters now those businesses have been pretty strong. I know like at one point, there was some price competition there when you first started. I just was curious, if you could give us an update on what you're seeing from a competitive standpoint, I mean, in those 2 spaces?
Charles R. Kummeth - CEO, President & Director
I'm really glad you asked this, or somebody did, because this is the best story of this quarter and this year. I mean, if you'd asked me 4 years ago, how long is it going to take you to get to 10% organic growth again in your core, I would've said well, probably never. So we've had, not only a good quarter, we had a great year, and we just pounded it, and that's why -- one reason you see us kind of I would say, ahead of schedule getting back to 40% op margins because the mix has been so good with the core, which is highly profitable, right. 54% op margins in core Biotech division that's the number it was when I came in to the company. So we've just been doing all this expansion and having the productivity to cover it. It's been great, and it's across all lines. I've done the math myself this morning, while ELISA is low single-digit growth, at least it's growth, when -- when, and because of ELISA's depicted demise a decade ago, we started looking at different technology platforms, Luminex and SimplePlex and such, they're all doing great. We put together the entire number for this quarter for our call it, assays and we're at mid-teens practically, just under mid-teens for growth. So that was one of the biggest areas we were trying to protect. Protein is always -- we thought we'd stay in the -- just under mid-single-digit, and we've been nearly high single-digit growth. I think all this oncology, all this CAR-T, all this research in the biosimilars in fact is -- it's spurring a lot of protein, and we've had great pricing along with it. And that's -- also somebody mentioned that, 5 years ago, we weren't a company focused on being a price setter, and now we have the analytics in place to deal with the price, and we have some price in place where it needs to be, where we have the ability to do so. And lastly, antibodies, it has been a little bit lumpier this year than the year before, but ended strong. And we're really excited about the -- what we see with antibodies. We still think we're holding our own, if not taking share. We're not big on rabbit monoclonals of course, but everything outside of that, we're right up there. I would also say that the drive from big pharma to CROs and the whole CAR-T -- all the stuff happening, it's helping the antibody business, but it's helping in a way where the big guys are going to win. The little mom-and-pop antibody players are not going to win as well right now because you need to be GMP, you need to have high quality to be in these areas now, and that's going to help us, and Thermo and Abcam the most probably. And that's what we see, and I think that's why we're doing so well.
Operator
Next, we'll move to Matt Hewitt with Craig-Hallum Capital Group.
Matthew Gregory Hewitt - Senior Research Analyst
A couple of, I guess, bigger picture questions. Regarding the investment that you're making into India, how quickly do you anticipate that market ramping up? And what should we be thinking about that over the next couple of years?
Charles R. Kummeth - CEO, President & Director
Yes. We do nearly -- about $4 million of revenue in India right now, and it's growing. Our plan is to try and keep that north of 50% growth. And of course, I would like it bigger, but my regional head said there's only so much you can do so fast. So we're hiring people, and you're really dealing with 2, maybe 3 of the major city areas, right. That's how you deal with India. And you know, the customers there they -- the infrastructure is not good. So the customers all cluster into life science centers, so to speak. So that's a good thing. You can get to all of them in 1 place kind of, so you don't need a lot of headcount. So we're moving from 4 people, I would say, 2 years from now, we'll maybe have a dozen, would be my guess. And I sure as hell hope we're between $10 million and $20 million of revenue by then, we'll see, but it depends. And that's about any -- really infusion of ACD at/or Exosome, so all those things could also have some impact. But in the core, it's growing really nicely, but it only has so much of an addressable market size right now. Houston probably has the better profitability in the short term.
Matthew Gregory Hewitt - Senior Research Analyst
Okay. Great. And then one follow-up question here. Thinking back 5 years ago, you came onboard. You kind of laid out a roadmap. Targets of getting the company to double-digit revenue growth. At the time, at the expense of margins, but you had intimated over time, you expected those to bounce back. And that (inaudible) from the New York Day coming up, but as you look out over the next 5 years, how do you think of -- what are your targets? And I know you laid them out last year, but maybe an update on call it the 5-year plan?
Charles R. Kummeth - CEO, President & Director
I'll give you a little bit of a preview. So come this fall was the first strategic call we had, we laid out our first strategic plan. And I laid out there the vision to get to $1 billion in 5 years, so we didn't make that, okay. 2 years ago this fall, we had our first investor’s conference and we laid out a plan that would get us to $850 million and 40%, all right. We're well on track on that, probably exceeding it. But this fall, we'll lay out a new 5-year outlook, we'll give you the update of what we're doing (inaudible) and we'll give you a new outlook as well including call this -- it's the start of the line slide and see what happens. The last time we showed that slide 2 years ago, we had a $1.3 billion number on there with acquisitions, everything in, using capital at a modest-to-decent leverage level. I think we're on track with that recipe, and we'll see what Jim comes up with the new slide, he hasn't made it yet. I'm assuming it will be bigger than $1.3 billion, I hope so. My goal right now is still the -- in kind of core things we have, how fast can we get the $1 billion and can we get to the 40% or not? Probably you're going to see a number lower than the 40% now with these new high-growth, high-volume product areas. We see a 30% op margin future with ExosomeDx, not 40% at this point. So -- but we'll see it, it's early, we don't really know yet where the leverage is and synergies could be. So that's where we're on track with them, so that's as much as we can give you. All I can say is don't miss New York. It should be a good meeting.
Operator
And at this time, I'd like to turn the call back over to Mr. Kummeth for any additional or closing remarks.
Charles R. Kummeth - CEO, President & Director
Well, we went an entire hour. That's the first time ever, I think. So I'm really happy about that. Thank you all for attending and look forward to speaking to you again next quarter. Thank you.
Operator
And that will conclude today's call. We thank you for your participation.