v3.26.1
Merger - Common stock outstanding (Details) - shares
Mar. 26, 2026
Jun. 30, 2026
Dec. 31, 2025
Merger      
Total shares of Viskase Holdings, Inc. common stock 14,331,620 14,331,620 6,612,099
Viskase companies      
Merger      
Exchange of shares of Viskase Companies, Inc. common stock for shares of Viskase Holdings, Inc. common stock 7,882,387    
Enzon      
Merger      
Shares held by legacy Enzon common stockholders following Reverse Stock Split (prior to IEH Share Exchange and Series C Exchange Offer) 742,005    
Shares held by IEH Parties subsequent to IEH Share Exchange 5,658,396    
Shares held by non-IEH Parties subsequent to Series C Exchange Offer 48,832    
Subtotal - Equity consideration issued for acquisition 6,449,233