| （単位：百万ドル） | 2011/12 | 2012/12 | 2013/12 | 2014/12 | 2015/12 | 2016/12 | 2017/12 | 2018/12 | 2019/12 | 2020/12 | 2021/12 | 2022/12 | 2023/12 | 2024/12 | 2025/12 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 現金同等物 | 15 | 12 | 9 | 7 | 33 | 26 | 38 | 23 | 16 | 130 | 40 | 20 | 27 | 20 | 5 |
| 現金 + 有価証券 | 15 | 12 | 9 | 7 | 33 | 26 | 38 | 23 | 16 | 130 | 40 | 20 | 27 | 20 | 5 |
| 売掛金 | 0 | 0 | 1 | 1 | 2 | 2 | 3 | 2 | 3 | 3 | 3 | 2 | 2 | 3 | - |
| 流動資産合計 | 38 | 56 | 60 | 52 | 85 | 48 | 64 | 27 | 25 | 172 | 122 | 92 | 60 | 26 | 6 |
| 有形固定資産 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 投資有価証券 | - | 3 | 10 | 0 | - | - | - | - | - | 14 | 23 | - | - | - | - |
| 総資産 | 48 | 69 | 80 | 62 | 94 | 57 | 73 | 37 | 35 | 204 | 162 | 108 | 77 | 41 | 19 |
| 買掛金 | 2 | 2 | 2 | 2 | 4 | 5 | 5 | 2 | 4 | 4 | 6 | 3 | 3 | 3 | 5 |
| 一年内返済予定の長期借入金 | - | - | 2 | 5 | 4 | 4 | 5 | 6 | 0 | 0 | - | - | - | 7 | - |
| 流動負債合計 | 3 | 3 | 6 | 10 | 10 | 13 | 14 | 13 | 6 | 10 | 13 | 10 | 13 | 19 | 14 |
| 長期借入金 | - | 29 | 27 | 22 | 19 | 14 | 35 | 28 | 0 | - | - | - | - | - | - |
| 総負債 | 8 | 35 | 35 | 32 | 30 | 28 | 49 | 41 | 69 | 73 | 71 | 62 | 57 | 47 | 14 |
| 利益剰余金 | -733 | -749 | -761 | -780 | -839 | -899 | -953 | -985 | -1,017 | -1,000 | -1,100 | -1,100 | -1,200 | -1,200 | -1,200 |
| 株主資本 | 39 | 34 | 45 | 29 | 64 | 29 | 23 | -5 | -34 | 130 | 90 | 46 | 19 | -6 | 5 |