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Concentrations - Additional Information (Detail) (USD $)
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12 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Jun. 30, 2012
Customer
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Jun. 30, 2011
Customer
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Jun. 30, 2010
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Jun. 30, 2012
Global Fluid Power Solutions Llc
Vendor
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Jun. 30, 2011
Global Fluid Power Solutions Llc
Vendor
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Jun. 30, 2012
Greentech Automotive Inc
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Jun. 30, 2012
Epic Boats Llc
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Jun. 30, 2011
Epic Boats Llc
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Jun. 30, 2012
Artisan Vehicle Systems
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Jun. 30, 2012
Boulder Ev
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Jun. 30, 2011
Wheego Electric Cars Inc
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Jan. 15, 2010
Global Fluid Power Solutions Inc and Mahomann Corp
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Jun. 30, 2012
Related Party Transactions
Customer
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Jun. 30, 2011
Related Party Transactions
Customer
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| 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 | |||||||||||||