Capital management (Details) - CubeBio Co., Ltd. [Member] - KRW (₩) ₩ in Thousands |
Jun. 30, 2026 |
Dec. 31, 2025 |
Dec. 31, 2024 |
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| Entity Information [Line Items] | ||||||||||
| Total liabilities | ₩ 12,757,981 | ₩ 9,668,292 | ₩ 7,915,357 | |||||||
| Less: Cash and cash equivalents | (312,427) | (335,814) | (3,662,174) | |||||||
| Net debt | 12,445,554 | 9,332,478 | 4,253,183 | |||||||
| Total equity | ₩ (5,914,543) | ₩ (3,198,381) | ₩ 826,608 | |||||||
| Net debt to total equity ratio | [1] | [2] | 5.15% | [2] | ||||||
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