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Note 23 - Commitments and Contingencies (Details Textual) - USD ($)
$ in Thousands
 3 Months Ended 36 Months Ended
Jan. 20, 2020
Oct. 18, 2018
Mar. 31, 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       $ 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    
Restricted Cash     11,461 13,064    
IWS [Member]            
Restricted Cash     7,700 7,600    
State and Provincial Regulatory Authorities [Member]            
Restricted Cash     1,900 1,900    
Third Parties [Member]            
Restricted Cash     $ 1,900 $ 3,500    
Accrued Expenses and Other Liabilities [Member]            
Liability for Unpaid Claims and Claims Adjustment Expense, Reported Claims, Amount         $ 2,500