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Note 11 - Line of Credit (Details Textual) - Line of Credit [Member] - Bank Midwest [Member] - USD ($)
$ in Thousands
Jan. 06, 2022
Jun. 30, 2022
Nov. 06, 2021
Line of Credit Facility, Maximum Borrowing Capacity     $ 500
Debt Instrument, Base Floor 5.00%    
Long-Term Line of Credit, Total   $ 0  
Prime Rate [Member]      
Debt Instrument, Basis Spread on Variable Rate 1.50%