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Note 11 - Related Party Transactions - Related Party Balances and Transactions (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Interest expense $ 964 $ 430
Less unamortized discount and debt issuance costs   (22)
Long-Term Debt, Total 0 2,023
Notes Payable, Other Payables [Member]    
Promissory notes payable 0 1,595
Less unamortized discount and debt issuance costs 0  
Accrued interest outstanding 0 450
Notes Payable, Other Payables [Member] | MHW SPV II, LLC [Member]    
Promissory notes payable 0 945
Interest expense 71 143
Less unamortized discount and debt issuance costs 0 (11)
Long-Term Debt, Total 0 934
Accrued interest outstanding 0 268
Notes Payable, Other Payables [Member] | MHW Partners [Member]    
Promissory notes payable 0 650
Interest expense 57 98
Less unamortized discount and debt issuance costs 0 (11)
Long-Term Debt, Total 0 639
Accrued interest outstanding $ 0 $ 182