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Note 5 - Income (Loss) Per Common Share (Tables)
3 Months Ended
Mar. 31, 2021
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   

Three Months Ended March 31,

 
   

2021

   

2020

 

Numerator

               

Net income (loss)

  $ 18,971     $ (17,185 )

Preferred stock dividends

    (138 )     (138 )

Net income (loss) applicable to common shares

  $ 18,833     $ (17,323 )
                 

Denominator

               

Basic weighted average common shares

    534,101       523,215  

Dilutive restricted stock units, warrants and deferred shares

    6,426        

Diluted weighted average common shares

    540,527       523,215  
                 

Basic income (loss) per common share

  $ 0.04     $ (0.03 )

Diluted income (loss) per common share

  $ 0.03     $ (0.03 )