v3.26.1
Financial instruments by category (Details 3) - KRW (₩)
₩ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
IfrsStatementLineItems [Line Items]      
Interest income ₩ 407,595 ₩ 287,067 ₩ 406,933
interest expense 3,348,504 (389,080) (320,209)
Foreign currency differences (315,656) 67,740 294,042
Gain or loss on disposal of financial instruments (2,138,105) 89,651 635,358
Gain or loss on valuation of investment securities (2,110,327)   104,505
Gain or loss on valuation of financial instruments 14,839 6,286 (1,427)
Gain or loss on warrants 16,622,386    
Gain or loss on derivative instruments (849,911)    
Gain on debt forgiveness 309,850    
Investment Revenue 904    
Losses on disposal of short-term borrowings (317,624)    
Loss on initial recognition of FVPL liabilities (26,228,277)    
Gain on valuation of FVPL liabilities 5,559,062    
Dividend income 2,613 1,463 1,463
Total (12,391,155) 63,127 1,120,665
Financial assets at amortised cost, category [member]      
IfrsStatementLineItems [Line Items]      
Interest income 407,595 287,067 406,933
interest expense
Foreign currency differences (314,664) 74,646 294,087
Gain or loss on disposal of financial instruments 635,358
Gain or loss on valuation of investment securities  
Gain or loss on valuation of financial instruments
Gain or loss on warrants    
Gain or loss on derivative instruments    
Gain on debt forgiveness    
Investment Revenue    
Losses on disposal of short-term borrowings    
Loss on initial recognition of FVPL liabilities    
Gain on valuation of FVPL liabilities    
Dividend income
Total 92,931 361,713 1,336,378
Financial assets at fair value through profit or loss, category [member]      
IfrsStatementLineItems [Line Items]      
Interest income
interest expense
Foreign currency differences
Gain or loss on disposal of financial instruments (2,138,105) 89,651
Gain or loss on valuation of investment securities (2,110,327)   104,505
Gain or loss on valuation of financial instruments 14,839 6,286 (1,427)
Gain or loss on warrants    
Gain or loss on derivative instruments    
Gain on debt forgiveness    
Investment Revenue 904    
Losses on disposal of short-term borrowings    
Loss on initial recognition of FVPL liabilities    
Gain on valuation of FVPL liabilities    
Dividend income 2,613 1,463 1,463
Total (4,230,076) 97,400 104,541
Financial liabilities at amortised cost, category [member]      
IfrsStatementLineItems [Line Items]      
Interest income
interest expense 3,348,504 (389,080) (320,209)
Foreign currency differences (992) (6,906) (45)
Gain or loss on disposal of financial instruments
Gain or loss on valuation of investment securities  
Gain or loss on valuation of financial instruments
Gain or loss on warrants    
Gain or loss on derivative instruments    
Gain on debt forgiveness 309,850    
Investment Revenue    
Losses on disposal of short-term borrowings (317,624)    
Loss on initial recognition of FVPL liabilities    
Gain on valuation of FVPL liabilities    
Dividend income
Total (3,357,270) ₩ (395,986) ₩ (320,254)
Financial liabilities at fair value through profit or loss, category [member]      
IfrsStatementLineItems [Line Items]      
Interest income    
interest expense    
Foreign currency differences    
Gain or loss on disposal of financial instruments    
Gain or loss on valuation of investment securities    
Gain or loss on valuation of financial instruments    
Gain or loss on warrants 16,622,386    
Gain or loss on derivative instruments (849,911)    
Gain on debt forgiveness    
Investment Revenue    
Losses on disposal of short-term borrowings    
Loss on initial recognition of FVPL liabilities (26,228,277)    
Gain on valuation of FVPL liabilities 5,559,062    
Dividend income    
Total ₩ (4,896,740)