| （単位：千ドル） | 研究開発費 | 前年比（％） |
|---|---|---|
| 4Q23 | 205 | -43.6% |
| 3Q23 | 93 | -74.6% |
| 2Q23 | 225 | +165.5% |
| 1Q23 | 378 | +108.9% |
| 4Q22 | 364 | +30.9% |
| 3Q22 | 368 | -18.1% |
| 2Q22 | 85 | -79.3% |
| 1Q22 | 180 | -48.8% |
| 4Q21 | 278 | -76.1% |
| 3Q21 | 449 | -56.0% |
| 2Q21 | 410 | -53.7% |
| 1Q21 | 353 | -56.7% |
| 4Q20 | 1,165 | +12.1% |
| 3Q20 | 1,021 | +31.1% |
| 2Q20 | 886 | +30.5% |
| 1Q20 | 816 | +20.7% |
| 4Q19 | 1,039 | +18.5% |
| 3Q19 | 779 | +42.6% |
| 2Q19 | 679 | -5.1% |
| 1Q19 | 676 | -1.3% |
| 4Q18 | 877 | +2.1% |
| 3Q18 | 546 | -4.4% |
| 2Q18 | 715 | -12.1% |
| 1Q18 | 685 | +64.2% |
| 4Q17 | 859 | - |
| 3Q17 | 571 | -276.3% |
| 2Q17 | 813 | +5.9% |
| 1Q17 | 417 | -31.5% |
| 4Q15 | -325 | - |
| 3Q15 | 768 | - |
| 2Q15 | 609 | - |
| 1Q15 | 435 | - |