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Income Taxes - Allocation of the Deferred Tax (Benefit) Provision Items Charged to Operations and Items Charged Directly to Equity (Detail) (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Income Tax Disclosure [Abstract]      
Deferred tax benefit allocated to equity       $ (712,832)
Deferred tax provision allocated to operations         
Total deferred tax benefit       $ (712,832)