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Note 9 - Income Per Share (Tables)
3 Months Ended
Mar. 31, 2021
Notes Tables  
Schedule of Weighted Average Number of Shares [Table Text Block]
  

Three Months Ended

 
  

March 31,

 
  

2021

  

2020

 

Basic weighted average common shares outstanding

  7,507   7,457 

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

  63   81 

Diluted weighted average common shares outstanding

  7,570   7,538