{"cik":1058811,"taxonomy":"us-gaap","tag":"LongTermDebt","label":"Long-term Debt","description":"Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.","entityName":"Immersion Corporation","units":{"USD":[{"end":"2025-04-30","val":103098000,"accn":"0001193125-26-102681","fy":2025,"fp":"FY","form":"10-K","filed":"2026-03-12"},{"end":"2025-04-30","val":103098000,"accn":"0001193125-26-316089","fy":2026,"fp":"FY","form":"10-K","filed":"2026-07-24","frame":"CY2025Q1I"},{"end":"2026-04-30","val":71000000,"accn":"0001193125-26-316089","fy":2026,"fp":"FY","form":"10-K","filed":"2026-07-24","frame":"CY2026Q1I"}]}}