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Note 9 - Debt - Summary of Debt (Details) - USD ($)
$ in Thousands
Jun. 30, 2023
Dec. 31, 2022
Less: amounts due within one year $ (1,573) $ (3,283)
Total long-term debt 8,349 8,650
Secured Term Note [Member]    
Long-Term Debt 8,563 8,650
Secured Promissory Note, Related Party [Member]    
Long-Term Debt 1,235 2,435
Insurance and Other Note Payable [Member]    
Long-Term Debt $ 124 $ 848