| （単位：千ドル） | 研究開発費 | 前年比（％） |
|---|---|---|
| 4Q25 | 2,259 | -22.5% |
| 3Q25 | 2,333 | -9.5% |
| 2Q25 | 2,159 | -15.1% |
| 1Q25 | 2,351 | -21.6% |
| 4Q24 | 2,916 | +6.2% |
| 3Q24 | 2,577 | +8.0% |
| 2Q24 | 2,543 | -8.9% |
| 1Q24 | 2,998 | +32.1% |
| 4Q23 | 2,747 | +35.1% |
| 3Q23 | 2,387 | +8.2% |
| 2Q23 | 2,792 | +59.8% |
| 1Q23 | 2,270 | +12.0% |
| 4Q22 | 2,034 | +26.5% |
| 3Q22 | 2,206 | +69.4% |
| 2Q22 | 1,747 | +31.8% |
| 1Q22 | 2,027 | +55.0% |
| 4Q21 | 1,608 | -21.6% |
| 3Q21 | 1,302 | +20.9% |
| 2Q21 | 1,325 | +50.4% |
| 1Q21 | 1,308 | +3.4% |
| 4Q20 | 2,050 | +7.6% |
| 3Q20 | 1,077 | -22.9% |
| 2Q20 | 881 | -28.6% |
| 1Q20 | 1,265 | +4.3% |
| 4Q19 | 1,905 | +49.2% |
| 3Q19 | 1,396 | +24.4% |
| 2Q19 | 1,234 | +10.7% |
| 1Q19 | 1,213 | -0.4% |
| 4Q18 | 1,277 | +35.7% |
| 3Q18 | 1,122 | -0.4% |
| 2Q18 | 1,115 | - |
| 1Q18 | 1,218 | - |
| 4Q17 | 941 | - |
| 3Q17 | 1,127 | - |