v3.26.1
Merger (Details)
Mar. 26, 2026
$ / shares
shares
Mar. 25, 2026
D
$ / shares
shares
Mar. 11, 2026
Jan. 30, 2026
D
$ / shares
shares
Jan. 24, 2026
Jun. 30, 2026
$ / shares
shares
Mar. 31, 2026
shares
Jan. 31, 2026
Dec. 31, 2025
$ / shares
shares
Merger                  
Series C preferred stock, shares outstanding           384     0
Series C preferred stock, par value (in dollars per share) | $ / shares $ 0.01         $ 0.01     $ 0.01
Share exchange ratio               0.049118  
Number of shares issued           14,371,173     6,651,652
Number of shares outstanding 14,331,620         14,331,620     6,612,099
Series C preferred stock issued           384 384   0
Enzon                  
Merger                  
Number of trading days | D   20   20          
Series C preferred stock, shares outstanding 384                
Reverse stock split, ratio     0.01   0.01        
Series C preferred stock, par value (in dollars per share) | $ / shares   $ 0.01              
Number of shares issued 6,449,233                
Number of shares outstanding 6,449,233                
Series C preferred stock issued 384                
Enzon | Viskase Holdings Inc.                  
Merger                  
Ownership percentage held by legacy enzon 45.00%                
Viskase companies | Viskase Holdings Inc.                  
Merger                  
Ownership percentage held by legacy viskase 55.00%                
Non-IEH parties                  
Merger                  
Series C preferred stock, exchange price | $ / shares       $ 7.83          
Non-IEH parties | Enzon                  
Merger                  
Series C preferred stock, shares outstanding       723          
Number of shares participated in exchange       339          
Number of non-participant shares       384          
IEH parties | Enzon                  
Merger                  
Series C preferred stock, shares outstanding   39,277              
Shares issued upon conversion of series c preferred stock   5,658,396              
Enzon | Viskase companies                  
Merger                  
Pre-merger shares outstanding 160,479,226                
Share exchange ratio 0.049118                
Shares issued to acquirer upon exchange of pre-merger shares 7,882,387                
Number of treasury stock of acquirer cancelled 805,270