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Note 19 - Leases - Minimum Lease Payments (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Statement Line Items [Line Items]      
Minimum lease payments $ 342 $ 532  
Finance cost (29) (67)  
Present value of lease liabilities 313 465 $ 239
Not later than one year [member]      
Statement Line Items [Line Items]      
Minimum lease payments 152 158  
Later than one year and not later than two years [member]      
Statement Line Items [Line Items]      
Minimum lease payments 150 165  
Later than two years and not later than three years [member]      
Statement Line Items [Line Items]      
Minimum lease payments 40 163  
Later than three years and not later than four years [member]      
Statement Line Items [Line Items]      
Minimum lease payments $ 0 $ 46