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Note 3 - Earnings Per Share (Tables)
 3 Months Ended
Mar. 31, 2013
Schedule of Weighted Average Number of Shares [Table Text Block]
   
For the Three
Months Ended
March 31,
 
             
   
2013
   
2012
 
Weighted average common shares outstanding
    2,189,175       1,953,512  
                 
Average treasury stock shares
    (189,530 )     (189,530 )
                 
Weighted average common shares and common stock equivalents used to calculate basic earnings per share
    1,999,645       1,763,982  
                 
Additional common stock equivalents (stock options) used to calculate diluted earnings per share
    10,647       603  
                 
Weighted average common shares and common stock equivalents used to calculate diluted earnings per share
    2,010,292       1,764,585