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Note 15 - Leases - Operating Lease Assets and Liabilities (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Mar. 31, 2023
--- | --- | ---
Assets [Abstract] |  |
Property, Plant and Equipment, Net | $ 10,861 | $ 12,309
Liabilities, Current [Abstract] |  |
Lease Liability, Current | 716 | 808
Liabilities, Noncurrent [Abstract] |  |
Lease Liability, Noncurrent | 1,968 | 2,184
Right-of-use assets - Financing | $ 0 | $ 1
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] |  |
Right-of-use assets - Operating | $ 2,557 | $ 2,857
Total right-of-use assets | 2,557 | 2,858
Lease liabilities - ST Financing | $ 0 | $ 1
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] |  |
Lease liabilities - ST Operating | $ 716 | $ 807
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] |  |
Lease liabilities - LT Financing | $ 0 | $ 0
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] |  |
Lease liabilities - LT Operating | $ 1,968 | $ 2,184
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] |  |
Total lease liabilities | $ 2,684 | $ 2,992
Weighted-average remaining lease term (Year) | 3 years 5 months 26 days | 3 years 11 months 12 days
Weighted-average discount rate | 9.83% | 6.46%

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