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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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