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10. Net Income Per Common Share (Details) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Net Income Per Common Share Details        
Weighted average number of shares outstanding 7,287,935 3,827,712 7,277,313 3,834,269
Effect of dilutive securities, common share equivalents $ 70,345 $ 78,720 $ 75,296 $ 77,381
Weighted average number of shares outstanding, used for computing diluted earnings per share 7,358,280 3,906,432 7,352,609 3,911,650