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Note 18 - Redeemable Preferred Shares (Details Textual) - Series A Preferred Units [Member] - USD ($)
$ / shares in Units, $ in Millions
Aug. 08, 2022
Sep. 30, 2022
Unit Purchase Agreement, Preferred Units Issued (in shares) 10,000,000  
Unit Purchase Agreement, Price Per Unit (in dollars per share) $ 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  
Unit Purchase Agreement, Additional Capital Commitments 140.0  
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   $ 1.3
Legal Fees $ 0.8  
Preferred Stock, Liquidation Preference, Value $ 60.0  
Minimum [Member]    
Preferred Stock, Dividend Rate, Percentage 13.00%  
Maximum [Member]    
Preferred Stock, Dividend Rate, Percentage 17.00%