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Note 14 - Leases (Details Textual) - USD ($) | Mar. 31, 2025 | Mar. 31, 2024
--- | --- | ---
Operating Lease, Liability, Current | $ 136,000 | $ 93,000
Finance Lease, Liability, Current | 1,200 | 0
Operating Lease, Liability, Noncurrent | 321,000 | 198,000
Finance Lease, Liability, Noncurrent | 5,100 | 0
Operating Lease, Right-of-Use Asset | 443,000 | 282,000
Finance Lease, Right-of-Use Asset, after Accumulated Amortization | 5,700 | $ 0
Office Space [Member] | UNITED STATES |  |
Operating Lease, Liability, Current | 36,000 |
Operating Lease, Liability, Noncurrent | 162,000 |
Operating Lease, Right-of-Use Asset | 183,000 |
Vigers Appraisal And Consulting Ltd [Member] |  |
Operating Lease, Liability, Current | 100,000 |
Operating Lease, Liability, Noncurrent | 160,000 |
Operating Lease, Right-of-Use Asset | $ 260,000 |
Minimum [Member] |  |
Lessee, Operating Lease, Term of Contract (Year) | 29 years |
Maximum [Member] |  |
Lessee, Operating Lease, Term of Contract (Year) | 51 years |

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- Definition Present value of lessee's discounted obligation for lease payments from finance lease, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479041/842-20-45-1 + Details
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- Definition Present value of lessee's discounted obligation for lease payments from finance lease, classified as noncurrent. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479041/842-20-45-1 + Details
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- Definition Amount, after accumulated amortization, of right-of-use asset from finance lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479041/842-20-45-1 + Details
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- Definition Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-3 + Details
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