XML 43 R43.htm IDEA: XBRL DOCUMENT v2.4.0.6
Summary of Significant Accounting Policies (Detail) - Schedule of unrecognized tax benefits (USD $)
9 Months Ended 12 Months Ended
Sep. 30, 2012
Dec. 31, 2011
Dec. 31, 2010
Balance $ 3,709,129 $ 2,189,194 $ 1,346,203
Increase in unrecorded tax benefits taken in 2012 133,029 1,632,986 1,077,488
Exchange rate adjustment – 2012 (24,085)    
Balance $ 3,818,073 $ 3,709,129 $ 2,189,194