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Balance Sheet Components (Prepaid Expenses and Other Current Assets) (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Jun. 30, 2012
Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Line Items]    
Vendor deposits $ 875 $ 129
Other current assets 1,553 1,448
Prepaid expenses and other current assets $ 2,428 $ 1,577