Annual report pursuant to section 13 and 15(d)

Net Long Lived Assets by Geographic Locations (Detail)

v2.4.0.6
Net Long Lived Assets by Geographic Locations (Detail) (USD $)
Dec. 31, 2012
Dec. 31, 2011
Segment Reporting Information [Line Items]    
Non Current Assets $ 12,372,380 $ 3,286,946
UNITED STATES
   
Segment Reporting Information [Line Items]    
Non Current Assets 12,364,533 2,826,512
MEXICO
   
Segment Reporting Information [Line Items]    
Non Current Assets   202,735
CANADA
   
Segment Reporting Information [Line Items]    
Non Current Assets   141,771
Other Countries
   
Segment Reporting Information [Line Items]    
Non Current Assets $ 7,847 $ 115,928