| 季度 | 20211 | 20212 | 20213 | 20214 |
|---|---|---|---|---|
| 應付帳款及票據 | 631,000 | 619,000 | 842,000 | 811,000 |
| 預收款項 | 1,010,000 | 1,104,000 | 1,074,000 | 1,091,000 |
| 短期借款和一年內到期長期負債 | 0 | 0 | 0 | 0 |
| 流動負債 | 8,701,000 | 8,586,000 | 8,913,000 | 9,479,000 |
| 長期負債 | 17,768,000 | 17,703,000 | 17,696,000 | 17,698,000 |
| 總負債 | 34,930,000 | 34,548,000 | 34,843,000 | 35,650,000 |
| 淨值 | 19,843,000 | 20,656,000 | 21,069,000 | 22,970,000 |