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Note 6 - (Loss) Income Per Common Share (Tables)
9 Months Ended
Sep. 30, 2021
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   

Three Months Ended September 30,

   

Nine Months Ended September 30,

 
   

2021

   

2020

   

2021

   

2020

 
              Revised               Revised  

Numerator

                               

Net (loss) income

  $ (979 )   $ 15,280     $ 23,220     $ (12,562 )

Preferred stock dividends

    (138 )     (138 )     (414 )     (414 )

Net (loss) income applicable to common shares

  $ (1,117 )   $ 15,142     $ 22,806     $ (12,976 )
                                 

Denominator

                               

Basic weighted average common shares

    536,966       529,838       535,542       526,098  

Dilutive restricted stock units, warrants and deferred shares

          5,950       6,227        

Diluted weighted average common shares

    536,966       535,788       541,769       526,098  
                                 

Basic (loss) income per common share (in cents)

    (0.2 )     2.9       4.3       (2.5 )

Diluted (loss) income per common share (in cents)

    (0.2 )     2.8       4.2       (2.5 )