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Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Detail) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Income Tax Disclosure [Abstract]    
U.S. federal statutory rate applied to pretax income $ (6,051,780) $ (11,713,000)
Permanent differences 2,739,048 10,344,000
State taxes and other 1,597,415 (123,000)
Change in valuation allowance 1,715,317 2,433,000
Total income tax expense (benefit)   $ 941,054