XML 33 R43.htm IDEA: XBRL DOCUMENT v2.4.0.6
Intangible Assets - Additional Information (Detail) (USD $)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Schedule of Intangible Assets Disclosure [Line Items]    
Gross carrying cost $ 320,795 $ 320,795
Accumulated amortization 183,059 159,976
Weighted average amortization period 6 years  
Aggregate amortization expense December 31, 2013 23,083  
Aggregate amortization expense December 31, 2014 23,083  
Aggregate amortization expense December 31, 2015 23,083  
Amortization expense $ 23,083 $ 23,083