Estimated Amortization Expense on Land Use Right (Detail) (Use Rights, USD $)
Jun. 30, 2012
Use Rights
 
Finite-Lived Intangible Assets [Line Items]  
2013 $ 65,304
2014 65,304
2015 65,304
2016 65,304
2017 65,304
Thereafter 2,775,397
Total: $ 3,101,917