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10. Net Income Per Common Share (Details) (USD $)
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Net Income Per Common Share Details        
Weighted average number of shares outstanding 7,294,913 3,811,243 7,283,244 3,826,510
Effect of dilutive securities, common share equivalents $ 83,184 $ 76,597 $ 77,050 $ 76,917
Weighted average number of shares outstanding, used for computing diluted earnings per share 7,378,097 3,887,840 7,360,294 3,903,427