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Note 11 - Notes Receivable (Details Textual) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Dec. 31, 2023
Dec. 31, 2022
Financing Receivable, after Allowance for Credit Loss $ 9,200   $ 9,600  
Interest Income, Operating 136 $ 46    
Financing Receivable, Allowance for Credit Loss $ 623   $ 623 $ 263
Minimum [Member]        
Notes Receivable, Interest Fixed Rate 6.00%      
Maximum [Member]        
Notes Receivable, Interest Fixed Rate 10.00%