{"cik":727510,"taxonomy":"us-gaap","tag":"Goodwill","label":"Goodwill","description":"Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.","entityName":"Viskase Holdings, Inc.","units":{"USD":[{"end":"2025-12-31","val":3131000,"accn":"0001104659-26-054911","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-04","frame":"CY2025Q4I"},{"end":"2026-03-31","val":3073000,"accn":"0001104659-26-054911","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-04","frame":"CY2026Q1I"}]}}