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Note 5 - Commitments and Contingencies - Supplemental Balance Sheet Information Related to Leases (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Operating lease right-of-use assets | $ 2,449 | $ 2,462
Current portion of operating lease liability | 338 | 260
Operating lease liability | 2,189 | 2,318
Total operating lease liability | 2,527 | 2,578
Total finance lease liability | 2,982 |
Property, Plant and Equipment [Member] |  |
Property and equipment, at cost | 3,045 | 2,317
Accumulated depreciation | (112) | (376)
Property and equipment, net | 2,933 | 1,941
Other Current Liabilities [Member] |  |
Other current liability | 71 | 550
Other Noncurrent Liabilities [Member] |  |
Other long term liabilities | 2,911 | 720
Other Liabilities [Member] |  |
Total finance lease liability | $ 2,982 | $ 1,270

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