v3.26.3
Financial Instruments - Fair values and risk management (Details) - CubeBio Co., Ltd. [Member] - KRW (₩)
₩ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
IfrsStatementLineItems [Line Items]        
Derivative liabilities ₩ 979,969 ₩ 1,267,801 ₩ 1,473,823 ₩ 2,152,546
Carrying amount [member]        
IfrsStatementLineItems [Line Items]        
Derivative liabilities 979,969 [1],[2] 1,267,801 [3] 1,473,823 [3]  
Fair Value [Member]        
IfrsStatementLineItems [Line Items]        
Derivative liabilities 979,969 [1],[2] 1,267,801 [3] 1,473,823 [3]  
Fair Value [Member] | Financial Liability [Member]        
IfrsStatementLineItems [Line Items]        
Derivative liabilities [1],[2] 979,969      
Fair Value [Member] | Level 1 of fair value hierarchy [member] | Financial Liability [Member]        
IfrsStatementLineItems [Line Items]        
Derivative liabilities [1],[2]      
Fair Value [Member] | Level 2 of fair value hierarchy [member] | Financial Liability [Member]        
IfrsStatementLineItems [Line Items]        
Derivative liabilities [1],[2]      
Fair Value [Member] | Level 3 of fair value hierarchy [member] | Financial Liability [Member]        
IfrsStatementLineItems [Line Items]        
Derivative liabilities [1],[2] ₩ 979,969      
Fair Value [Member] | Financial assets [Member]        
IfrsStatementLineItems [Line Items]        
Derivative liabilities [3]   1,267,801 1,473,823  
Fair Value [Member] | Financial assets [Member] | Level 1 of fair value hierarchy [member]        
IfrsStatementLineItems [Line Items]        
Derivative liabilities [3]    
Fair Value [Member] | Financial assets [Member] | Level 2 of fair value hierarchy [member]        
IfrsStatementLineItems [Line Items]        
Derivative liabilities [3]    
Fair Value [Member] | Financial assets [Member] | Level 3 of fair value hierarchy [member]        
IfrsStatementLineItems [Line Items]        
Derivative liabilities [3]   ₩ 1,267,801 ₩ 1,473,823  
[1] Represents the early redemption rights of the issuer and the investor, which are embedded derivatives of bonds with warrants issued to fund the operations.
[2] Represents the early redemption rights of the issuer and the investor, which are embedded derivatives of bonds with warrants issued to fund the operations.
[3] Represents the early redemption rights of the issuer and the investor, which are embedded derivatives of bonds with warrants issued to fund the operations.