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Note 2 - Basis of Presentation (Tables)
6 Months Ended
Jun. 30, 2019
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   
Three Months Ended
   
Six Months Ended
 
   
June 30,
   
June 30,
 
   
2019
   
2018
   
2019
   
2018
 
Basic shares
   
6,423,642
     
6,195,801
     
6,420,653
     
6,192,117
 
Dilutive shares
   
427,282
     
378,701
     
427,282
     
378,701
 
Diluted shares
   
6,850,924
     
6,574,502
     
6,847,935
     
6,570,818
 
   
Three Months Ended
   
Six Months Ended
 
   
June 30,
   
June 30,
 
   
2019
   
2018
   
2019
   
2018
 
   
(Dollars in Thousands, Except Per Share Data)
 
Net income
  $
1,005
    $
359
    $
2,239
    $
773
 
Basic net income per share
  $
0.16
    $
0.06
    $
0.35
    $
0.13
 
Diluted net income per share
  $
0.15
    $
0.06
    $
0.33
    $
0.12