v3.26.1
Employee benefits (Details Narrative) - KRW (₩)
₩ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Notes and other explanatory information [abstract]      
Defined contribution plan ₩ 593,562 ₩ 295,080 ₩ 435,139
Weighted average duration of the defined benefit obligation 7 years 9 months 3 days