| （単位：千ドル） | 研究開発費 | 前年比（％） |
|---|---|---|
| 4Q23 | 0 | -100.0% |
| 3Q23 | 0 | -100.0% |
| 2Q23 | 2 | -94.4% |
| 4Q22 | -1,283 | -2169.4% |
| 3Q22 | 61 | -39.0% |
| 2Q22 | 36 | -88.9% |
| 1Q22 | 2,016 | +2700.0% |
| 4Q21 | 62 | -10.1% |
| 3Q21 | 100 | -47.6% |
| 2Q21 | 325 | -51.9% |
| 1Q21 | 72 | -15.3% |
| 4Q20 | 69 | -97.3% |
| 3Q20 | 191 | - |
| 2Q20 | 675 | - |
| 1Q20 | 85 | - |
| 4Q19 | 2,512 | - |
| 4Q13 | 0 | -99.7% |
| 3Q13 | 9 | -91.1% |
| 2Q13 | 6 | -95.4% |
| 1Q13 | 43 | -88.4% |
| 4Q12 | 109 | -78.7% |
| 3Q12 | 107 | -71.0% |
| 2Q12 | 138 | -65.8% |
| 1Q12 | 371 | - |
| 4Q11 | 514 | - |
| 3Q11 | 371 | - |
| 2Q11 | 404 | - |