{"cik":2137360,"taxonomy":"us-gaap","tag":"Assets","label":"Assets","description":"Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.","entityName":"YOUMI INC.","units":{"USD":[{"end":"2026-04-30","val":202508,"accn":"0001520138-26-000256","fy":null,"fp":null,"form":"S-1/A","filed":"2026-06-29"},{"end":"2026-04-30","val":202508,"accn":"0001520138-26-000281","fy":null,"fp":null,"form":"S-1/A","filed":"2026-07-28"},{"end":"2026-04-30","val":202508,"accn":"0001520138-26-000375","fy":null,"fp":null,"form":"S-1/A","filed":"2026-08-27","frame":"CY2026Q1I"}]}}