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Note 10 - Long-term Debt - Current and Long-term Debt (Details) (Parentheticals)
1 Months Ended 3 Months Ended 12 Months Ended
Mar. 15, 2021
Dec. 31, 2021
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Term Facility [Member]          
Interest rate   8.00% 8.00% 8.00% 8.00%
Term Facility [Member] | London Interbank Offered Rate (LIBOR) [Member]          
Variable rate 7.00% 7.00%      
The ABL Facility [Member] | London Interbank Offered Rate (LIBOR) [Member]          
Variable rate     1.88% 1.88% 1.88%
The ABL Facility [Member] | Prime Rate [Member]          
Variable rate     3.75% 3.25% 3.50%