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Long-Term Debt - Summary of Payments Applicable to Reduction of Principal Amounts (Detail) (USD $)
Jun. 30, 2014
Dec. 31, 2013
Debt Disclosure [Abstract]    
Remainder of 2014 $ 0  
2015 0  
2016 45,827,032  
2017 0  
2018 7,300,000  
2019 0  
Thereafter 23,100,000  
Total Long-Term Debt $ 76,227,032 $ 63,227,032