v3.26.3
Income taxes (Details) - 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]        
Loss before income tax ₩ (2,997,895) ₩ (3,400,181) ₩ (6,141,476) ₩ (8,065,334)
Tax at the statutory income tax rate     (608,006) (798,468)
Tax-exempt income     (36,427) (13,673)
Expenses not deductible for tax purposes     215,761 374,340
Changes in unrecognized temporary difference     125,382 683,633
Other     303,290 (245,832)
Income tax expenses
Effective income tax rate 0.00% 0.00% 0.00% [1] 0.00% [1]
[1] The effective tax rate is not calculated as the Company incurred a loss before income taxes for the years ended December 31, 2025 and 2024.