| （単位：ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 4Q19 | 3,000 | -62.5% |
| 3Q19 | 8,000 | +33.3% |
| 2Q19 | 7,000 | -83.7% |
| 1Q19 | 8,000 | -87.1% |
| 4Q18 | 8,000 | -88.1% |
| 3Q18 | 6,000 | -91.7% |
| 2Q18 | 43,000 | -44.2% |
| 1Q18 | 62,000 | -29.5% |
| 4Q17 | 67,000 | -29.5% |
| 3Q17 | 72,000 | -31.4% |
| 2Q17 | 77,000 | -25.2% |
| 1Q17 | 88,000 | -4.3% |
| 4Q16 | 95,000 | +31.9% |
| 3Q16 | 105,000 | +183.8% |
| 2Q16 | 103,000 | - |
| 1Q16 | 92,000 | - |
| 4Q15 | 72,000 | - |
| 3Q15 | 37,000 | - |