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Intangible Assets - Summary of Estimated Amortization Expense (Detail) (USD $)
Dec. 31, 2013
Dec. 31, 2012
Goodwill And Intangible Assets Disclosure [Abstract]    
2014 $ 676,518  
2015 676,518  
2016 638,430  
2017 547,676  
2018 539,988  
Thereafter 3,280,308  
Total $ 6,359,438 $ 4,527,426