Income taxes (Details 2) - CubeBio Co., Ltd. [Member] - KRW (₩) ₩ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Entity Information [Line Items] | ||
| Unrecognized temporary difference | ₩ 400,460 | ₩ 597,213 |
| Loss carried forward | 3,781,058 | 3,402,320 |
| Carryover tax credit | 469,859 | 526,463 |
| Total | ₩ 4,651,377 | ₩ 4,525,996 |