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Note 10 - Net 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,

 

(In thousands, except share and earnings per share data)

 

2021

   

2020

 

Basic earnings (loss) per common share

               

Numerator:

               

Net income (loss)

  $ (1,118 )   $ 22,308  

Amount attributable to unvested restricted shares

    -       (484 )

Amount attributable to warrants outstanding

    -       (3,460 )

Net income (loss) allocated to common shareholders

    (1,118 )     18,364  
                 

Denominator:

               

Weighted-average common shares issued and outstanding

    33,236,818       21,010,817  

Basic earnings (loss) per common share

    (0.03 )     0.87  
                 

Diluted earnings (loss) per common share

               

Numerator:

               

Net income (loss)

    (1,118 )     22,308  

Amount attributable to warrants

    -       (569 )

Less: gain related to change in fair value of warrants

    -       (21,913 )

Diluted loss allocated to common shareholders

    (1,118 )     (174 )
                 

Denominator:

               

Weighted-average common shares issued and outstanding

    33,236,818       21,010,817  

Diluted loss per common share

  $ (0.03 )   $ (0.01 )
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
   

Three Months Ended

 
   

March 31,

 
   

2021

   

2020

 

Stock options and restricted stock awards

    2,134,884       2,564,456  

Warrants

    73,827       2,956,039  

Total

    2,208,711       5,520,495