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Note 4 - Leases (Tables) | 12 Months Ended
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Mar. 31, 2025
Notes Tables |
Schedule of Balance Sheet Information Related to Operating Leases [Table Text Block] |
|  | Fiscal 2025 |  |  | Fiscal 2024 |
Finance lease – amortization of ROU asset |  | $ | 54 |  |  | $ | 106 |
Finance lease – interest on lease liability |  |  | — |  |  |  | 3 |
Operating lease expense |  |  | 384 |  |  |  | 234 |
|  | $ | 438 |  |  | $ | 343 |
|  | March 31, 2025 |  |  | March 31, 2024 |  | Balance Sheet Classification
Assets |  |  |  |  |  |  |  |  |
Operating lease right-of-use asset |  | $ | 2,841 |  |  | $ | 2,841 |  | Operating lease right-of-use asset
Finance lease right-of-use asset |  |  | 378 |  |  |  | 404 |  | Property, plant & equipment
Total right-of-use assets |  | $ | 3,219 |  |  | $ | 3,245 |  |
Liabilities |  |  |  |  |  |  |  |  |
Operating lease liability, current |  | $ | 160 |  |  | $ | 101 |  | Accrued expenses
Finance lease liability, current |  |  | — |  |  |  | 54 |  | Current portion of finance lease
Operating lease liability, non-current |  |  | 2,752 |  |  |  | 2,782 |  | Non-current lease liabilities
Total lease liabilities |  | $ | 2,912 |  |  | $ | 2,937 |  |
Operating and Finance Lease, Liability, Maturity [Table Text Block] |
|  | Operating |  |  | Finance |
|  | Leases |  |  | Leases |
Fiscal 2026 |  |  | 363 |  |  |  | — |
Fiscal 2027 |  |  | 371 |  |  |  | — |
Fiscal 2028 |  |  | 324 |  |  |  | — |
Fiscal 2029 |  |  | 303 |  |  |  | — |
Fiscal 2030 and beyond |  |  | 4,740 |  |  |  | — |
Total undiscounted lease payments |  | $ | 6,101 |  |  | $ | — |
Less: imputed interest |  |  | (3,189 | ) |  |  | — |
Present value of lease liability |  | $ | 2,912 |  |  | $ | — |

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