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Note 23 - Shareholders' Equity (Details Textual)
Aug. 10, 2021
USD ($)
shares
Feb. 26, 2021
USD ($)
$ / shares
shares
Dec. 31, 2023
$ / shares
shares
Dec. 31, 2022
$ / shares
shares
Feb. 28, 2021
shares
Stock Authorized (in shares)     560,000,000    
Common Stock, Shares Authorized (in shares)     500,000,000    
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares   $ 0.01 $ 0.01 $ 0.01  
Preferred Stock, Shares Authorized (in shares)     60,000,000    
Preferred Stock, No Par Value (in dollars per share) | $ / shares     $ 0    
Common Stock, Shares, Outstanding (in shares)     79,600,000 79,100,000  
Treasury Stock, Common, Shares (in shares)     1,000,000 900,000  
Number Of Shares Registered For Resale Through Registration Statements (in shares) 44,490,032        
Securities Registered For Offer And Sale Through Registration Statements | $ $ 500,000,000        
Registration Rights Agreement [Member] | Five Percentage Unsecured Convertible Promissory Notes Due May Twenty Eight Two Thousand Twenty Six [Member]          
Debt Instrument, Convertible, Number of Equity Instruments   1,000,000      
Debt Instrument, Face Amount | $   $ 25,000,000      
Debt Instrument, Interest Rate, Stated Percentage   5.00%      
Series B Preferred Stock [Member]          
Preferred Stock, No Par Value (in dollars per share) | $ / shares   $ 0      
Preferred Stock, Shares Outstanding (in shares)     1,000,000    
Convertible Preferred Stock, Shares Issued upon Conversion (in shares)         1,000,000
Series C Preferred Stock [Member]          
Preferred Stock, Shares Outstanding (in shares)     1,100,000    
Series C Preferred Stock [Member] | Registration Rights Agreement [Member]          
Stock Repurchased During Period, Shares (in shares)   1,000,000