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Note 6 - Leases (Tables) | 6 Months Ended
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Sep. 30, 2025
Notes Tables |
Lease, Cost [Table Text Block] |
|  | Three Months Ended |  |  | Six Months Ended |
|  | September 30, |  |  | September 30, |
|  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Operating lease expense |  | $ | 168 |  |  | $ | 108 |  |  | $ | 276 |  |  | $ | 168 |
|  | $ | 168 |  |  | $ | 108 |  |  | $ | 276 |  |  | $ | 168 |
Schedule of Balance Sheet Information Related to Operating Leases [Table Text Block] |
|  | September 30, 2025 |  |  | March 31, 2025 |  | Balance Sheet Classification
Assets |  |  |  |  |  |  |  |  |
Operating lease right-of-use asset |  | $ | 5,108 |  |  | $ | 2,841 |  | Operating lease right-of-use asset
Total right-of-use assets |  | $ | 5,108 |  |  | $ | 2,841 |  |
Liabilities |  |  |  |  |  |  |  |  |
Operating lease liability, current |  | $ | 750 |  |  | $ | 160 |  | Accrued expenses
Operating lease liability, non-current |  |  | 4,466 |  |  |  | 2,752 |  | Non-current lease liabilities
Total lease liabilities |  | $ | 5,216 |  |  | $ | 2,912 |  |
Operating and Finance Lease, Liability, Maturity [Table Text Block] |
|  | Operating Leases |
Fiscal 2026 (remainder of fiscal year) |  |  | 532 |
Fiscal 2027 |  |  | 1,054 |
Fiscal 2028 |  |  | 990 |
Fiscal 2029 |  |  | 959 |
Fiscal 2030 and beyond |  |  | 5,034 |
Total undiscounted lease payments |  | $ | 8,569 |
Less: imputed interest |  |  | (3,353 | )
Present value of lease liability |  | $ | 5,216 |

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- Definition Tabular disclosure of balance sheet information related to operating leases. + References No definition available. + Details
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- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-4 + Details
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