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Note 5 - Commitments and Contingencies - Supplemental Balance Sheet Information Related to Leases (Details) - USD ($) $ in Thousands | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Operating lease right-of-use assets | $ 2,258 | $ 2,449
Current portion of operating lease liability | 372 | 338
Operating lease liability | 1,995 | 2,189
Total operating lease liabilities | 2,367 | 2,527
Total finance lease liabilities | 2,667 |
Property, Plant and Equipment [Member] |  |
Property and equipment, at cost | 2,889 | 3,045
Accumulated depreciation | (168) | (112)
Property and equipment, net | 2,721 | 2,933
Other Current Liabilities [Member] |  |
Other current liability | (57) | 71
Other Noncurrent Liabilities [Member] |  |
Other long term liabilities | 2,724 | 2,911
Other Liabilities [Member] |  |
Total finance lease liabilities | $ 2,667 | $ 2,982

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