Annual report pursuant to Section 13 and 15(d)

Concentrations - Additional Information (Detail)

v2.4.0.6
Concentrations - Additional Information (Detail) (USD $)
12 Months Ended 12 Months Ended 1 Months Ended 12 Months Ended
Jun. 30, 2012
Customer
Jun. 30, 2011
Customer
Jun. 30, 2010
Jun. 30, 2012
Global Fluid Power Solutions Llc
Vendor
Jun. 30, 2011
Global Fluid Power Solutions Llc
Vendor
Jun. 30, 2012
Greentech Automotive Inc
Jun. 30, 2012
Epic Boats Llc
Jun. 30, 2011
Epic Boats Llc
Jun. 30, 2012
Artisan Vehicle Systems
Jun. 30, 2012
Boulder Ev
Jun. 30, 2011
Wheego Electric Cars Inc
Jan. 15, 2010
Global Fluid Power Solutions Inc and Mahomann Corp
Jun. 30, 2012
Related Party Transactions
Customer
Jun. 30, 2011
Related Party Transactions
Customer
Concentration Risk [Line Items]                            
Cash and cash equivalents $ 812,000 $ 240,000 $ 67,000                      
Percentage of revenue from major customer 81.00% 47.00%       34.00% 19.00% 15.00% 18.00% 10.00% 32.00%   19.00% 15.00%
Number of customer 4 2                     1 1
Revenue from major customers $ 4,798,000 $ 463,000                        
Percentage of purchases from major supplier       56.00% 65.00%                  
Number of major suppliers       1 1                  
Supply agreement period                       4 years