Quarterly report pursuant to Section 13 or 15(d)

Concentrations - Additional Information (Detail)

v2.4.0.6
Concentrations - Additional Information (Detail) (USD $)
3 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Global Fluid Power Solutions Llc [Member]
   
Concentration Risk [Line Items]    
Percentage of purchases from major supplier 0.00% 44.00%
Greentech Automotive Inc [Member]
   
Concentration Risk [Line Items]    
Percentage of revenue from major customer 13.00%  
Epic Boats Llc [Member]
   
Concentration Risk [Line Items]    
Percentage of revenue from major customer 27.00%  
Artisan Vehicle Systems [Member]
   
Concentration Risk [Line Items]    
Percentage of revenue from major customer   14.00%
Good Earth Energy Conservation Inc [Member]
   
Concentration Risk [Line Items]    
Percentage of revenue from major customer 11.00%  
Wheego Electric Cars [Member]
   
Concentration Risk [Line Items]    
Percentage of revenue from major customer   45.00%
Columbia Parcar Corporation [Member]
   
Concentration Risk [Line Items]    
Percentage of revenue from major customer   12.00%
Customer [Member]
   
Concentration Risk [Line Items]    
Percentage of revenue from major customer 51.00% 71.00%
Revenue from major customers 38,000 400,000