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Note 24 - Subsequent Events (Details Textual) - Subsequent Event [Member]
1 Months Ended 3 Months Ended
Mar. 31, 2022
USD ($)
Feb. 28, 2022
USD ($)
Apr. 14, 2022
USD ($)
Equity Securities, Notice of Deficiency, Failure to Maintain Minimum Bid Price, Amount     $ 1
Engie Resources LLC Case [Member]      
Loss Contingency Accrual, Payments   $ 94,000  
Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid, Total $ 75,000    
Minimum [Member]      
Equity Securities, Common Stock, Bid Price     $ 1
Equity Securities, Threshold Consecutive Trading Days     10