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Note 15 - Leases - Operating Lease Assets and Liabilities (Details) - USD ($) | Dec. 31, 2021 | Mar. 31, 2021
--- | --- | ---
Right-of-use assets - Financing | $ 9,100 | $ 0
Right-of-use assets | 3,408,000 | 3,747,000
Total right-of-use assets | 3,417,000 | 3,747,000
Lease liabilities - ST Financing | 5,000 | 0
Lease liabilities - ST Operating | 696,000 | 612,000
Lease liabilities - LT Financing | 4,000 | 0
Lease liabilities - LT Operating | 2,838,000 | 3,246,000
Total lease liabilities | $ 3,543,000 | $ 3,858,000
Weighted-average remaining lease term (Year) | 5 years 1 month 2 days | 5 years 9 months 25 days
Weighted-average discount rate | 6.60% | 6.72%

X
- Definition Amount of lessee's right to use underlying asset under both operating and finance lease. + References No definition available. + Details
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X
- Definition Present value of lessee's discounted obligation for lease payments from operating and finance leases. + References No definition available. + Details
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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 -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977 + Details
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977 + Details
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