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Note 9 - Debt - Schedule of Interest Expense (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Interest from leases $ 5 $ 9
Total interest expense 509 770
Related Party [Member]    
Total interest expense 78 179
Secured Term Note [Member]    
Interest expense 345 551
Secured term note payable, related party [Member]    
Interest expense 49 0
Secured Promissory Note, Related Party [Member] | Related Party [Member]    
Interest expense 78 179
Insurance and Other Note Payable [Member]    
Interest expense $ 32 $ 31