XML 41 R52.htm IDEA: XBRL DOCUMENT v2.4.0.6
Income Taxes - Additional Information (Detail) (USD $)
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2012
If the underpayment of taxes is due to computational errors made by the taxpayer or withholding agent
Dec. 31, 2012
If underpayment of tax liability exceeding RMB0.1 million
Dec. 31, 2012
In the case of a related party transaction
Dec. 31, 2012
CHINA
Dec. 31, 2012
Interest Related To Uncertain Tax Positions
Dec. 31, 2011
Interest Related To Uncertain Tax Positions
Dec. 31, 2010
Interest Related To Uncertain Tax Positions
Income Taxes [Line Items]                  
PRC income tax rate 25.00% 25.00%       25.00%      
Operating loss carry forward $ 4,700,000                
Operating loss carry forwards expiration year 2017                
Operating loss carry forward, valuation allowance 527,040                
Withholding income tax rate 10.00%                
Undistributed profits that the Group has both the intent and ability to permanently reinvest 94,300,000                
Unrecognized tax benefit, accrued interest in current period 436,894 267,505         169,389 168,926 98,579
Unrecognized tax benefit, statute of limitations     3 years 5 years 10 years        
Reversal of unrecognized tax benefits previously recorded, statute of limitations $ 322,378