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Business Segment Information - Summary of R&D Segment Revenues (Details) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Segment Reporting, Revenue Reconciling Item [Line Items]    
Total Revenues $ 109 $ 370
Operating Segments [Member]    
Segment Reporting, Revenue Reconciling Item [Line Items]    
Total Revenues 109 370
Operating Segments [Member] | R&D [Member] | Royalty [Member]    
Segment Reporting, Revenue Reconciling Item [Line Items]    
Total Revenues 109 370
Operating Segments [Member] | Mosaic [Member] | Product [Member]    
Segment Reporting, Revenue Reconciling Item [Line Items]    
Total Revenues $ 0 $ 0