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Net Income Per Common Share (Details Narrative) (USD $)
In Thousands, except Share data, unless otherwise specified
6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Earnings Per Share    
Number of Options outstanding 195,640 172,880
Weighted Average Exercise Price of Options outstanding $ 16.01 $ 15.63
Dilutive effect of stock options $ 84,766 $ 50,057