v3.26.3
Loans receivables (Details 1) - CubeBio Co., Ltd. [Member] - KRW (₩)
₩ in Thousands
 6 Months Ended 12 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Dec. 31, 2024
Entity Information [Line Items]      
Beginning of the year ₩ 1,853,750 ₩ 1,853,750
Write-off of allowance for doubtful accounts (1,853,750)
Ending of the year 1,853,750
Beginning of the year [1],[2] 875,678 533,862 952,170
Reversal of allowance for doubtful accounts (287,100) [1],[2] (489,720) [1],[2]
Other bad debt expenses 341,816 [1] 71,412 [1]
Ending of the year [1],[2]   875,678 ₩ 533,862
Reclassification of long-term to short-term    
Beginning of the year 628,220    
Ending of the period 341,120 628,220  
Beginning of the year 247,458    
Other bad debt expenses 65,379    
Ending of the period ₩ 312,837 ₩ 247,458  
[1] The net amount of VAT refund receivable from, or payable to, the taxation authority is included as part of receivables or payables in the statement of financial position.
[2] The net amount of VAT refund receivable from, or payable to, the taxation authority is included as part of receivables or payables in the statement of financial position.