v3.26.1
Cash and cash equivalents (Details) - KRW (₩)
₩ in Thousands
Dec. 31, 2025
Jan. 02, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Notes and other explanatory information [abstract]          
Cash on hand ₩ 15,121   ₩ 2,355    
Deposits in banks 8,349,311   4,148,217    
Total ₩ 8,364,432 ₩ 3,508,608 ₩ 4,150,572 ₩ 8,585,634 ₩ 30,581,556