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Note 5 - Commitments and Contingencies - Supplemental Balance Sheet Information Related to Leases (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Operating lease right-of-use assets | $ 2,355 | $ 2,449
Current portion of operating lease liability | 355 | 338
Operating lease liability | 2,095 | 2,189
Total operating lease liabilities | 2,450 | 2,527
Total finance lease liabilities | 2,989 |
Property, Plant and Equipment [Member] |  |
Property and equipment, at cost | 3,045 | 3,045
Accumulated depreciation | (143) | (112)
Property and equipment, net | 2,902 | 2,933
Other Current Liabilities [Member] |  |
Other current liability | (5) | 71
Other Noncurrent Liabilities [Member] |  |
Other long term liabilities | 2,994 | 2,911
Other Liabilities [Member] |  |
Total finance lease liabilities | $ 2,989 | $ 2,982

X
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- Definition Present value of lessee's discounted obligation for lease payments from finance lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-6 Reference 2: 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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