Income taxes (Details 3) - CubeBio Co., Ltd. [Member] ₩ in Thousands |
Dec. 31, 2025
KRW (₩)
|
|---|---|
| Entity Information [Line Items] | |
| Unused loss carried forward | ₩ 3,781,058 |
| Unused tax credit carryforwards | 469,859 |
| 2026 | |
| Entity Information [Line Items] | |
| Unused loss carried forward | 722,024 |
| Unused tax credit carryforwards | |
| 2027 | |
| Entity Information [Line Items] | |
| Unused loss carried forward | 292,098 |
| Unused tax credit carryforwards | |
| 2028 | |
| Entity Information [Line Items] | |
| Unused loss carried forward | 319,426 |
| Unused tax credit carryforwards | |
| 2029 | |
| Entity Information [Line Items] | |
| Unused loss carried forward | 383,584 |
| Unused tax credit carryforwards | |
| 2030 | |
| Entity Information [Line Items] | |
| Unused loss carried forward | 49,670 |
| Unused tax credit carryforwards | |
| 2031 | |
| Entity Information [Line Items] | |
| Unused loss carried forward | 281,727 |
| Unused tax credit carryforwards | |
| After 2031 [Member] | |
| Entity Information [Line Items] | |
| Unused loss carried forward | 1,732,529 |
| Unused tax credit carryforwards | ₩ 469,859 |