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Income Taxes - Expense (Benefit) for Income Taxes (Detail) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Income Tax Expenses [Line Items]    
Current $ 139,822 $ 253,421
Deferred 259,307 (42,949)
Income Tax Expense (Benefit), Total $ 399,129 $ 210,472