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Business Segment Information - Summary of Operating Segment Assets (Details) - USD ($) | Dec. 31, 2024 | Mar. 31, 2024
--- | --- | ---
Segment Reporting, Asset Reconciling Item [Line Items] |  |
Fixed assets, net | $ 479,000 | $ 669,000
Inventory | 0 | 297,000
Total assets | 3,844,000 | 6,349,000
Operating Segments [Member] |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |
Segment assets, Total | 448,000 | 903,000
Other Company assets | 3,396,000 | 5,446,000
Total assets | 3,844,000 | 6,349,000
Operating Segments [Member] | R&D [Member] |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |
Fixed assets, net | 448,000 | 423,000
Operating Segments [Member] | Mosaic Segment [Member] |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |
Fixed assets, net | 0 | 183,000
Inventory | 0 | $ 297,000
Segment assets, Total | $ 0 |

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