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Income Taxes (Components of Income Tax) (Details) (USD $)
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2013
Sep. 30, 2013
Sep. 30, 2012
Dec. 31, 2012
Dec. 31, 2011
Income Tax Disclosure [Abstract]          
Current provision $ 155,214     $ 646,131 $ 720,323
Deferred provision (benefit) 4,047 (31,758) 15,378 (2,136) (49,826)
Net income tax provision       $ 643,995 $ 670,497