Note 3 - Property and Equipment - Property and Equipment (Details) - USD ($) $ in Thousands |
Jun. 30, 2026 |
Mar. 31, 2026 |
|---|---|---|
| Property, Plant and Equipment, Gross | $ 379 | $ 405 |
| Operating lease right-of-use assets | 140 | 166 |
| Less accumulated depreciation and amortization | (206) | (201) |
| Total property and equipment, net | 173 | 204 |
| Computer Equipment [Member] | ||
| Property, Plant and Equipment, Gross | 134 | 134 |
| Furniture and Fixtures [Member] | ||
| Property, Plant and Equipment, Gross | 14 | 14 |
| Leasehold Improvements [Member] | ||
| Property, Plant and Equipment, Gross | $ 91 | $ 91 |
| X | ||||||||||
- Definition Amount of accumulated depreciation, depletion, and amortization of property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of lessee's right to use underlying asset under operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount, before accumulated depreciation, depletion, and amortization, of property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount, after accumulated depreciation, depletion, and amortization, of property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
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| X | ||||||||||
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