v3.25.4
Business Segment Information - Summary of Disaggregated Expense (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2025
Dec. 31, 2024
Segment Reporting Information [Line Items]        
Total Revenues $ 26 $ 24 $ 91 $ 93
Operating expenses        
Cost of revenues 0 2 0 5
Research and development expenses 1,140 1,780 3,064 4,166
Selling, general and administrative expenses 1,636 1,710 5,327 5,384
Royalty [Member]        
Segment Reporting Information [Line Items]        
Total Revenues 26 15 91 68
Product [Member]        
Segment Reporting Information [Line Items]        
Total Revenues 0 9 0 25
Operating Segments [Member]        
Segment Reporting Information [Line Items]        
Total Revenues 26 24 91 93
Operating expenses        
Cost of revenues 0 2 0 5
Research and development expenses 1,077 1,705 2,864 3,926
Selling, general and administrative expenses 1,580 1,588 5,138 4,978
Non-cash stock-based compensation 67 130 217 441
Depreciation and amortization 52 67 172 205
Total operating expense 2,776 3,492 8,391 9,555
Consolidated operating loss (2,750) (3,468) (8,300) (9,462)
Operating Segments [Member] | Royalty [Member]        
Segment Reporting Information [Line Items]        
Total Revenues 26 15 91 68
Operating Segments [Member] | Product [Member]        
Segment Reporting Information [Line Items]        
Total Revenues $ 0 $ 9 $ 0 $ 25