Capital and reserves (Details 2) - 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 |
|
| IfrsStatementLineItems [Line Items] | ||||
| Balance at beginning | ₩ (564,638) | ₩ (653,670) | ₩ (653,670) | ₩ 1,542,167 |
| Changes, net of taxes | 168,497 | 62,972 | 89,032 | (2,195,837) |
| Balance at ending | (396,141) | (590,698) | (564,638) | (653,670) |
| Remeasurements of defined benefit liability [Member] | ||||
| IfrsStatementLineItems [Line Items] | ||||
| Balance at beginning | 125,654 | 73,533 | 73,533 | 201,386 |
| Changes, net of taxes | 153,732 | 26,061 | 52,121 | (127,853) |
| Balance at ending | 279,386 | 99,594 | 125,654 | 73,533 |
| Employee Share Option [Member] | ||||
| IfrsStatementLineItems [Line Items] | ||||
| Balance at beginning | 724,661 | 724,661 | 724,661 | 3,149,428 |
| Changes, net of taxes | (2,424,767) | |||
| Balance at ending | 724,661 | 724,661 | 724,661 | 724,661 |
| Treasury shares [member] | ||||
| IfrsStatementLineItems [Line Items] | ||||
| Balance at beginning | (1,414,953) | (1,451,864) | (1,451,864) | (1,808,647) |
| Changes, net of taxes | 14,765 | 36,911 | 36,911 | 356,783 |
| Balance at ending | ₩ (1,400,188) | ₩ (1,414,953) | ₩ (1,414,953) | ₩ (1,451,864) |