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Note 24 - Shareholders' Equity (Details Textual) - USD ($)
$ / shares in Units, $ in Millions
Sep. 03, 2013
Dec. 31, 2020
Dec. 31, 2019
Shareholders Equity [Line Items]      
Stock Authorized   560,000,000  
Common Stock, Shares Authorized   500,000,000  
Common Stock, Par or Stated Value Per Share   $ 0.01 $ 0.01
Preferred Stock, Shares Authorized   60,000,000 60,000,000
Preferred Stock, No Par Value   $ 0 $ 0
Common Stock, Shares, Outstanding   77,200,000 43,200,000
Preferred Stock, Shares Issued   2,000,000 2,000,000
Treasury Stock, Shares   700,000 700,000
Registration Rights Agreement Condition for Demanding Shelf Registration Statement, Takedown Percentage Ownership 10.00%    
Registration Rights Agreement, Condition For Demanding Shelf Registration Statement, Takedown Minimum Aggregate Market Value $ 75    
Backstop Parties [Member]      
Shareholders Equity [Line Items]      
Stockholders Percentage of Outstanding Common Stock, Potentially Requiring Securities Offering 10.00%    
Minimum Aggregate Market Value of Potential Stock Issuance $ 75    
Series A Preferred Stock [Member]      
Shareholders Equity [Line Items]      
Preferred Stock, Shares Outstanding   2,000,000 2,000,000
Preferred Stock, Shares Issued   2,000,000 2,000,000