{"cik":727510,"taxonomy":"us-gaap","tag":"InventoryNet","label":"Inventory, Net","description":"Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.","entityName":"Viskase Holdings, Inc.","units":{"USD":[{"end":"2025-12-31","val":96755000,"accn":"0001104659-26-054911","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-04"},{"end":"2025-12-31","val":96755000,"accn":"0001104659-26-089804","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-08-03","frame":"CY2025Q4I"},{"end":"2026-03-31","val":98846000,"accn":"0001104659-26-054911","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-04","frame":"CY2026Q1I"},{"end":"2026-06-30","val":105296000,"accn":"0001104659-26-089804","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-08-03","frame":"CY2026Q2I"}]}}