Related parties (Details 3) - CubeBio Co., Ltd. [Member] - KRW (₩) ₩ in Thousands |
6 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Entity Information [Line Items] | ||||
| Short-term employee benefits | ₩ 177,950 | ₩ 245,000 | ₩ 453,226 | ₩ 402,519 |
| Retirement benefit | 18,422 | 23,951 | 48,434 | 30,292 |
| Total | ₩ 196,372 | ₩ 268,951 | ₩ 501,660 | ₩ 432,811 |