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Note 3 - Net Income Per Share (Tables)
3 Months Ended
Mar. 31, 2016
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   
Three Months Ended
 
   
March 31,
 
   
2016
   
2015
 
Basic shares
    6,143,267       6,134,808  
Dilutive shares
    272,550       177,050  
Diluted shares
    6,415,817       6,311,858  
   
Three Months Ended
 
   
March 31,
 
   
2016
   
2015
 
   
(Dollars in Thousands, Except Per Share Data)
 
Net income
  $ 317     $ 836  
Basic net income per share
  $ 0.05     $ 0.14  
Diluted net income per share
  $ 0.05     $ 0.13