v3.26.1
Business Segment Information - Summary of Disaggregated Expense (Details) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Segment Reporting Information [Line Items]    
Total Revenues $ 131 $ 144
Operating expenses    
Cost of revenues 0 5
Research and development 4,189 5,025
Selling, general, and administrative expenses 7,429 7,730
Total (13,841) (2,486)
Royalty [Member]    
Segment Reporting Information [Line Items]    
Total Revenues 131 119
Product [Member]    
Segment Reporting Information [Line Items]    
Total Revenues 0 25
Operating Segments [Member]    
Segment Reporting Information [Line Items]    
Total Revenues 131 144
Operating expenses    
Cost of revenues 0 5
Research and development 3,934 4,712
Selling, general, and administrative expenses 7,166 7,245
Non-cash stock-based compensation 303 532
Depreciation and amortization 215 266
Total operating expenses 11,618 12,760
Total (11,487) (12,616)
Operating Segments [Member] | Royalty [Member]    
Segment Reporting Information [Line Items]    
Total Revenues 131 119
Operating Segments [Member] | Product [Member]    
Segment Reporting Information [Line Items]    
Total Revenues $ 0 $ 25