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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 )