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Earnings (Loss) Per Share (Details)
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Earnings Per Share [Abstract]        
Weighted-average number of common shares outstanding used to calculate basic and diluted earnings (loss) per common share 8,222,926 7,882,623 8,121,677 7,880,250