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Income Taxes - Additional Information (Detail) (USD $)
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Dec. 31, 2012
Income Taxes [Line Items]          
Net operating loss carry forwards $ 8,215,867   $ 8,215,867    
Net operating loss carry forwards, expiration date     2033    
Net operating loss carry forwards, valuation allowance 2,793,395   2,793,395    
Deferred income tax assets 477,100   477,100   0
Applicable income tax rate 34.00% 34.00% 34.00% 34.00%  
China income tax
         
Income Taxes [Line Items]          
Applicable income tax rate 25.00% 25.00% 25.00% 25.00%  
Valuation Allowance, Operating Loss Carryforwards
         
Income Taxes [Line Items]          
Net operating loss carry forwards, valuation allowance $ 619,172   $ 619,172