| （単位：千ドル） | 研究開発費 | 前年比（％） |
|---|---|---|
| 4Q23 | 2 | -95.8% |
| 3Q23 | 0 | -100.0% |
| 2Q23 | 0 | -100.0% |
| 1Q23 | 18 | -73.5% |
| 4Q22 | 48 | -39.2% |
| 3Q22 | 57 | -35.2% |
| 2Q22 | 56 | -37.1% |
| 1Q22 | 68 | -8.1% |
| 4Q21 | 79 | -17.7% |
| 3Q21 | 88 | -22.1% |
| 2Q21 | 89 | -23.3% |
| 1Q21 | 74 | -65.4% |
| 4Q20 | 96 | -64.4% |
| 3Q20 | 113 | -52.7% |
| 2Q20 | 116 | -27.0% |
| 1Q20 | 214 | +6.5% |
| 4Q19 | 270 | +28.0% |
| 3Q19 | 239 | -17.3% |
| 2Q19 | 159 | -33.8% |
| 1Q19 | 201 | +4.1% |
| 4Q18 | 211 | -15.3% |
| 3Q18 | 289 | -7.4% |
| 2Q18 | 240 | -21.3% |
| 1Q18 | 193 | -51.1% |
| 4Q17 | 249 | -46.6% |
| 3Q17 | 312 | -39.3% |
| 2Q17 | 305 | -48.3% |
| 1Q17 | 395 | -7.3% |
| 4Q16 | 466 | -7.9% |
| 3Q16 | 514 | -13.6% |
| 2Q16 | 590 | +3.0% |
| 1Q16 | 426 | -13.1% |
| 4Q15 | 506 | -59.3% |
| 3Q15 | 595 | +13.3% |
| 2Q15 | 573 | +29.6% |
| 1Q15 | 490 | +8.9% |
| 4Q14 | 1,242 | - |
| 3Q14 | 525 | -9.2% |
| 2Q14 | 442 | -4.5% |
| 1Q14 | 450 | +0.2% |
| 3Q13 | 578 | +62.4% |
| 2Q13 | 463 | - |
| 1Q13 | 449 | +35.6% |
| 4Q12 | 707 | -31.5% |
| 3Q12 | 356 | -5.3% |
| 3Q12 | 331 | -12.0% |
| 4Q11 | 1,032 | - |
| 3Q11 | 376 | - |