| （単位：千ドル） | 研究開発費 | 前年比（％） |
|---|---|---|
| 4Q25 | 2,196 | -22.6% |
| 3Q25 | 2,192 | -20.4% |
| 2Q25 | 2,499 | +50.0% |
| 1Q25 | 2,539 | -22.4% |
| 4Q24 | 2,838 | -23.6% |
| 3Q24 | 2,756 | -40.3% |
| 2Q24 | 1,666 | -58.1% |
| 1Q24 | 3,274 | -38.3% |
| 4Q23 | 3,712 | +11.9% |
| 3Q23 | 4,616 | +28.5% |
| 2Q23 | 3,976 | +45.3% |
| 1Q23 | 5,310 | +185.4% |
| 4Q22 | 3,318 | -4.6% |
| 3Q22 | 3,593 | +150.9% |
| 2Q22 | 2,737 | +79.3% |
| 1Q22 | 1,860 | -14.2% |
| 4Q21 | 3,480 | +50.1% |
| 3Q21 | 1,431 | +6.1% |
| 2Q21 | 1,526 | -29.2% |
| 1Q21 | 2,169 | +46.8% |
| 4Q20 | 2,319 | +373.8% |
| 3Q20 | 1,350 | +188.9% |
| 2Q20 | 2,155 | +329.4% |
| 1Q20 | 1,477 | +190.9% |
| 4Q19 | 489 | +54.4% |
| 3Q19 | 467 | -4.6% |
| 2Q19 | 502 | +344.4% |
| 1Q19 | 508 | +884.2% |
| 4Q18 | 317 | - |
| 3Q18 | 489 | - |
| 2Q18 | 112 | - |
| 1Q18 | 51 | - |