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Note 23 - Commitments and Contingencies (Details Textual) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended 36 Months Ended
Jan. 20, 2020
Oct. 18, 2018
Sep. 30, 2023
Mar. 31, 2023
Sep. 30, 2023
Dec. 31, 2022
Sep. 30, 2022
Dec. 31, 2020
Litigation Settlement, Amount Awarded to Other Party $ 900              
Litigation Settlement Reimbursable Percentage of Future Losses 60.00%              
Loss Contingency, Estimate of Possible Loss               $ 4,800
Payments for Legal Settlements     $ 100   $ 200 $ 1,000    
Liability for Unpaid Claims and Claims Adjustment Expense, Reported Claims, Amount   $ 2,500            
Escrow Deposit   2,000            
Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid, Total   $ 500            
Release of Escrow Deposit       $ 2,000        
Short Term Investments Fair Value Disclosure     200   200 200    
Restricted Cash     9,103   9,103 13,064    
IWS [Member]                
Restricted Cash     8,200   8,200 7,600    
State and Provincial Regulatory Authorities [Member]                
Restricted Cash     200 $ 1,900 200      
Third Parties [Member]                
Restricted Cash     $ 700   $ 700 $ 3,500    
Accrued Expenses and Other Liabilities [Member]                
Liability for Unpaid Claims and Claims Adjustment Expense, Reported Claims, Amount             $ 2,500