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Business Segment Information - Summary of Operating Segment Costs and Expenses (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2024
Dec. 31, 2023
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]        
Research and development expenses $ 1,780 $ 1,434 $ 4,166 $ 4,435
Selling, general, and administrative expenses 1,710 2,251 5,384 7,635
Total costs and expenses 3,492 3,685 9,555 12,070
Operating Segments [Member]        
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]        
Total segment costs and expenses 1,825 1,434 4,349 4,435
Other selling, general, and administrative expenses 1,667 2,251 5,206 7,635
Total costs and expenses 3,492 3,685 9,555 12,070
Operating Segments [Member] | R&D [Member]        
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]        
Research and development expenses 899 1,434 3,010 4,435
Operating Segments [Member] | Mosaic [Member]        
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]        
Research and development expenses 881 0 1,156 0
Cost of revenues 2 0 5 0
Selling, general, and administrative expenses $ 43 $ 0 $ 178 $ 0