{"cik":895051,"taxonomy":"us-gaap","tag":"OperatingLeaseLiability","label":"Operating Lease, Liability","description":"Present value of lessee's discounted obligation for lease payments from operating lease.","entityName":"CASI PHARMACEUTICALS, INC.","units":{"USD":[{"end":"2019-03-31","val":2958121,"accn":"0001144204-19-026264","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-15","frame":"CY2019Q1I"},{"end":"2019-06-30","val":2780300,"accn":"0001144204-19-038740","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":2428000,"accn":"0001104659-19-062322","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-12","frame":"CY2019Q3I"},{"end":"2019-12-31","val":2201000,"accn":"0001104659-20-034018","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":2201000,"accn":"0001104659-20-059470","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-11"},{"end":"2019-12-31","val":2201000,"accn":"0001104659-20-092576","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":2201000,"accn":"0001104659-20-122981","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-09"},{"end":"2019-12-31","val":2201000,"accn":"0001558370-21-003735","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-30","frame":"CY2019Q4I"},{"end":"2020-03-31","val":1884000,"accn":"0001104659-20-059470","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-11","frame":"CY2020Q1I"},{"end":"2020-06-30","val":1599000,"accn":"0001104659-20-092576","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":2363000,"accn":"0001104659-20-122981","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-09","frame":"CY2020Q3I"},{"end":"2020-12-31","val":1904000,"accn":"0001558370-21-003735","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-30"},{"end":"2020-12-31","val":1904000,"accn":"0001558370-21-007013","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":1904000,"accn":"0001558370-21-011386","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":1904000,"accn":"0001558370-21-015628","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-12"},{"end":"2020-12-31","val":1904000,"accn":"0001558370-22-004437","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-28","frame":"CY2020Q4I"},{"end":"2021-03-31","val":1583000,"accn":"0001558370-21-007013","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":2893000,"accn":"0001558370-21-011386","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":2647000,"accn":"0001558370-21-015628","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-12","frame":"CY2021Q3I"},{"end":"2021-12-31","val":2166000,"accn":"0001558370-22-004437","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-28"},{"end":"2021-12-31","val":2166000,"accn":"0001558370-22-008457","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2021-12-31","val":2166000,"accn":"0001558370-22-013418","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"end":"2021-12-31","val":2166000,"accn":"0001558370-22-017615","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2021-12-31","val":2166000,"accn":"0001558370-23-006754","fy":2022,"fp":"FY","form":"20-F","filed":"2023-04-26","frame":"CY2021Q4I"},{"end":"2022-03-31","val":1883000,"accn":"0001558370-22-008457","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":1896000,"accn":"0001558370-22-013418","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":1556000,"accn":"0001558370-22-017615","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":1344000,"accn":"0001558370-23-006754","fy":2022,"fp":"FY","form":"20-F","filed":"2023-04-26","frame":"CY2022Q4I"}]}}