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Net Income Per Share (Details)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Net Income Per Share      
Basic weighted average common shares outstanding during the year 6,824,000 6,679,000 6,476,000
Weighted average common equivalent shares due to stock options and restricted stock units 281,000 349,000 523,000
Diluted weighted average common shares outstanding during the year 7,105,000 7,028,000 6,999,000
Number of stock awards excluded from the computation of diluted income per share 78,908 17,770 23,205