v3.26.3
Related parties (Details 2) - CubeBio Co., Ltd. [Member] - KRW (₩)
₩ in Thousands
 6 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Dec. 31, 2024
IfrsStatementLineItems [Line Items]        
Interest income     ₩ 230,557 ₩ 193,012
Interest expenses     798,129 1,050,584
Total for all related parties [member]        
IfrsStatementLineItems [Line Items]        
Interest income ₩ 9,961 ₩ 4,122 9,716 24,374
Interest expenses ₩ 11,973 4,509 ₩ 6,789 321,827
Total for all related parties [member] | Well core [Member]        
IfrsStatementLineItems [Line Items]        
Related party Entity that has significant influence over the Company   Entity that has significant influence over the Company  
Name of entity Well Core   Well Core [1]  
Interest income 567
Interest expenses ₩ 11,973 715 ₩ 783 3,882
Total for all related parties [member] | Dongsung D&C [Member]        
IfrsStatementLineItems [Line Items]        
Related party Entities controlled by Key Management Personnel   Entities controlled by Key Management Personnel  
Name of entity Dongsung D&C   Dongsung D&C [2]  
Interest income ₩ 5,560 ₩ 1,296
Interest expenses
Total for all related parties [member] | CubeBio Holdings., Ltd. [Member]        
IfrsStatementLineItems [Line Items]        
Related party Entities controlled by Key Management Personnel   Entities controlled by Key Management Personnel  
Name of entity CubeBio Holdings   CubeBio Holdings., Ltd.  
Interest income ₩ 1,207 928 ₩ 1,980 550
Interest expenses
Total for all related parties [member] | Jae Myung Kim [Member]        
IfrsStatementLineItems [Line Items]        
Related party Key management personnel   Key management personnel  
Name of entity Noh Bin Park   Jae Myung Kim  
Interest income    
Interest expenses     62,234
Total for all related parties [member] | Noh Bin Park [Member]        
IfrsStatementLineItems [Line Items]        
Related party Key management personnel   Key management personnel  
Name of entity Ho Sung Han   Noh Bin Park  
Interest income
Interest expenses 1,472 ₩ 2,060 3,358
Total for all related parties [member] | Ho Sung Han [Member]        
IfrsStatementLineItems [Line Items]        
Related party Key management personnel   Key management personnel  
Name of entity Eun Jong Choi   Ho Sung Han  
Interest income
Interest expenses 1,104 ₩ 2,171 2,519
Total for all related parties [member] | Eun Jong Choi [Member]        
IfrsStatementLineItems [Line Items]        
Related party     Key management personnel  
Name of entity     Eun Jong Choi  
Interest income 3,194 3,194 ₩ 6,440 23,257
Interest expenses
Total for all related parties [member] | Se Yoon Kim [Member]        
IfrsStatementLineItems [Line Items]        
Related party Other related party   Other related party  
Name of entity Gyung Ha Yu   Se Yoon Kim  
Interest income    
Interest expenses     16,594
Total for all related parties [member] | Gyung Ha Yu [Member]        
IfrsStatementLineItems [Line Items]        
Related party     Other related party  
Name of entity     Gyung Ha Yu  
Interest income
Interest expenses ₩ 1,218 ₩ 1,775 2,068
Total for all related parties [member] | Jung Gon Kim [Member]        
IfrsStatementLineItems [Line Items]        
Related party     Other related party  
Name of entity     Jung Gon Kim  
Interest income    
Interest expenses     ₩ 231,172
[1] Well Core Co., Ltd. (“Well Core”) is an entity that has significant influence over the Company.
[2] Dongsung D&C., Ltd. (“Dongsung D&C”) was identified as a related party because it is controlled by a member of the Company’s key management personnel.