| （単位：千ドル） | 研究開発費 | 前年比（％） |
|---|---|---|
| 4Q25 | 3,196 | -35.0% |
| 3Q25 | 4,530 | -14.0% |
| 2Q25 | 4,105 | -1.4% |
| 1Q25 | 5,361 | -9.6% |
| 4Q24 | 4,917 | +70.3% |
| 3Q24 | 5,269 | +64.9% |
| 2Q24 | 4,162 | +19.8% |
| 1Q24 | 5,932 | +67.2% |
| 4Q23 | 2,888 | -32.5% |
| 3Q23 | 3,196 | -1.1% |
| 2Q23 | 3,473 | -33.2% |
| 1Q23 | 3,547 | -25.7% |
| 4Q22 | 4,278 | -2.8% |
| 3Q22 | 3,232 | -31.6% |
| 2Q22 | 5,198 | +22.0% |
| 1Q22 | 4,773 | +30.4% |
| 4Q21 | 4,400 | -0.6% |
| 3Q21 | 4,726 | -34.9% |
| 2Q21 | 4,262 | +10.8% |
| 1Q21 | 3,659 | -16.0% |
| 4Q20 | 4,425 | +44.7% |
| 3Q20 | 7,260 | +43.4% |
| 2Q20 | 3,847 | -52.8% |
| 1Q20 | 4,354 | +1.2% |
| 4Q19 | 3,057 | -46.2% |
| 3Q19 | 5,063 | +11.7% |
| 2Q19 | 8,151 | +2.0% |
| 1Q19 | 4,303 | - |
| 4Q18 | 5,683 | - |
| 3Q18 | 4,534 | - |
| 2Q18 | 7,994 | - |