Annual report pursuant to Section 13 and 15(d)

Income Taxes - Schedule of Changes to Unrecognized Tax Positions (Detail)

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Income Taxes - Schedule of Changes to Unrecognized Tax Positions (Detail) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Income Tax Disclosure [Abstract]    
Unrecognized tax benefits as of January 1 $ 182,251 $ 174,289
Gross adjustments in tax positions      
Gross increases      
Foreign currency translation 3,710 7,962
Unrecognized tax positions as of December 31 $ 185,961 $ 182,251