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Note 9 - Income Per Share (Tables)
6 Months Ended
Jun. 30, 2021
Notes Tables  
Schedule of Weighted Average Number of Shares [Table Text Block]
  

Three Months Ended

  

Six Months Ended

 
  

June 30,

  

June 30,

 
  

2021

  

2020

  

2021

  

2020

 

Basic weighted average common shares outstanding

  7,527   7,487   7,517   7,472 

Weighted average common equivalent shares due to restricted stock, stock options and RSUs

  46   45   58   73 

Diluted weighted average common shares outstanding

  7,573   7,532   7,575   7,545