Related Party Assigned and Transferred Products Description (Detail)	12 Months Ended
Jun. 30, 2012
Battery Box Design
Related Party Transaction [Line Items]
Description	All hardware, tooling and design reduced to practice otherwise of the battery housings which include the integration of a battery management system.
Can Communication Protocol
Related Party Transaction [Line Items]
Description	Top communication protocol that communicates through the CAN bus
Can Based Throttle Controller
Related Party Transaction [Line Items]
Description	All hardware, software and tooling reduced to practice or otherwise of the throttle controller
Bms Head End Interfaces
Related Party Transaction [Line Items]
Description	Interfaces to the motor and generator controller to the diagnostic software

A description of the related party transaction, including transactions to which no amounts or nominal amounts were ascribed and such other information deemed necessary to an understanding of the effects of the transactions on the financial statements. Examples of common related party transactions are, sales, purchases and transfers of realty and personal property, services received or furnished, loans and leases to and from top management and affiliates.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

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Reference 5: http://www.xbrl.org/2003/role/presentationRef

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Reference 6: http://www.xbrl.org/2003/role/presentationRef

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Reference 9: http://www.xbrl.org/2003/role/presentationRef

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 10: http://www.xbrl.org/2003/role/presentationRef

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+ Details