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Note 17 - Redeemable Preferred Shares (Details Textual) - Series A Preferred Units [Member] - USD ($)
$ / shares in Units, $ in Millions
May 04, 2023
Aug. 08, 2022
Apr. 21, 2023
Mar. 31, 2023
Jan. 30, 2023
Unit Purchase Agreement, Preferred Units Issued (in shares)   10,000,000     5,000,000
Unit Purchase Agreement, Price Per Unit (in dollars per share)   $ 6.00     $ 6.00
Unit Purchase Agreement, Aggregate Additional Preferred Units (in shares)   23,333,333.34      
Unit Purchase Agreement, Capital upon the Initial Funding   $ 60.0     $ 30.0
Unit Purchase Agreement, Additional Capital Commitments   140.0   $ 82.5  
Unit Purchase Agreement, Payment Pursuant to Milestone Fundings   $ 140.0      
Unit Purchase Agreement, Milestone Fundings, Standby Fee Rate   0.50%      
Preferred Stock, Dividend Rate, Percentage   15.00%      
Unit Purchase Agreement, Accretion Expense on the Redeemable Preferred Shares       4.2  
Legal Fees   $ 0.9      
Preferred Stock, Liquidation Preference, Value       $ 125.6  
Subsequent Event [Member]          
Unit Purchase Agreement, Preferred Units Issued (in shares)     833,333    
Unit Purchase Agreement, Price Per Unit (in dollars per share)     $ 6.00    
Unit Purchase Agreement, Capital upon the Initial Funding     $ 5.0    
Stock Redeemed or Called During Period, Shares (in shares) 5,173,067        
Stock Redeemed or Called, Discount on Premium 30.00%        
Stock Redeemed or Called During Period, Value $ 45.7        
Minimum [Member]          
Preferred Stock, Dividend Rate, Percentage   13.00%      
Maximum [Member]          
Preferred Stock, Dividend Rate, Percentage   17.00%