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Note 2 - Earnings Per Share and Share Repurchase Plan (Tables)
12 Months Ended
Dec. 31, 2013
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

Year ended December 31,

 

2013

   

2012

 

Numerator for basic and diluted earnings per share - net income

  $ 8,392     $ 9,175  

Denominator for basic earnings per share - weighted average shares outstanding

    3,248,397       3,197,204  

Effect of dilutive securities - employee stock options

    11,678       12,653  

Denominator for diluted earnings per share - adjusted weighted average shares outstanding

    3,260,075       3,209,857  

Earnings per share - basic

  $ 2.58     $ 2.87  

Earnings per share - diluted

  $ 2.57     $ 2.86