Business Segment Information - Summary of Disaggregated Expense (Parenthetical) (Details) - USD ($) |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Segment Reporting Information [Line Items] | ||||
| Stock-based compensation | $ 67,000 | $ 130,000 | $ 217,000 | $ 441,000 |
| Research and Development Expense [Member] | ||||
| Segment Reporting Information [Line Items] | ||||
| Stock-based compensation | 14,000 | 19,000 | 40,000 | 70,000 |
| Depreciation and amortization expense | 49,000 | 56,000 | 160,000 | 170,000 |
| Selling, General and Administrative Expenses [Member] | ||||
| Segment Reporting Information [Line Items] | ||||
| Stock-based compensation | 53,000 | 111,000 | 177,000 | 371,000 |
| Depreciation and amortization expense | $ 3,000 | $ 11,000 | $ 12,000 | $ 35,000 |