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Note 13 - Net Income Per Share (Tables)
3 Months Ended
Mar. 31, 2020
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   
Three Months Ended March 31,
 
   
2020
   
2019
 
                 
Net income
  $
564
    $
2,165
 
                 
Basic weighted-average common shares outstanding
   
9,751
     
9,735
 
Effect of potentially dilutive common shares
(1)
   
78
     
-
 
Diluted weighted-average common shares outstanding
   
9,829
     
9,735
 
                 
Net income per common share:
               
Basic
  $
0.06
    $
0.22
 
Diluted
  $
0.06
    $
0.22