v3.26.3
Employee benefits (Details) - KRW (₩)
₩ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Dec. 31, 2024
CubeBio Co., Ltd. [Member]      
Entity Information [Line Items]      
Defined benefit liability ₩ 903,565 ₩ 980,841 ₩ 950,220