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v3.25.2

Business Segment Information - Summary of Disaggregated Expense (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Jun. 30, 2025 | Jun. 30, 2024
Segment Reporting Information [Line Items] |  |
Total Revenues | $ 37 | $ 39
Operating expenses |  |
Cost of revenues | 0 | 2
Research and development expenses | 1,001 | 1,402
Selling, general and administrative expenses | 1,951 | 2,021
Royalty [Member] |  |
Segment Reporting Information [Line Items] |  |
Total Revenues | 37 | 25
Product [Member] |  |
Segment Reporting Information [Line Items] |  |
Total Revenues | 0 | 14
Operating Segments [Member] |  |
Segment Reporting Information [Line Items] |  |
Total Revenues | 37 | 39
Operating expenses |  |
Cost of revenues | 0 | 2
Research and development expenses | 932 | 1,318
Selling, general and administrative expenses | 1,881 | 1,879
Non-cash stock-based compensation | 78 | 156
Depreciation and amortization | 61 | 70
Total operating expense | 2,952 | 3,425
Consolidated operating loss | (2,915) | (3,386)
Operating Segments [Member] | Royalty [Member] |  |
Segment Reporting Information [Line Items] |  |
Total Revenues | 37 | 25
Operating Segments [Member] | Product [Member] |  |
Segment Reporting Information [Line Items] |  |
Total Revenues | $ 0 | $ 14

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