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Long-Term Debt - Summary of Payments Applicable to Reduction of Principal Amounts (Detail) (USD $)
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Dec. 31, 2013
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Dec. 31, 2012
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|---|---|---|
| Debt Disclosure [Abstract] | ||
| 2014 | ||
| 2015 | ||
| 2016 | 32,827,032 | |
| 2017 | ||
| 2018 | 7,300,000 | |
| Thereafter | 23,100,000 | |
| Total Long-Term Debt | $ 63,227,032 | $ 29,126,849 |