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Balance Sheet Components - Schedule of Prepaid Expenses and Other Assets Current (Detail) - USD ($)
$ in Thousands
Jun. 30, 2017
Jun. 30, 2016
Prepaid Expense And Other Assets Current [Abstract]    
Income tax receivable $ 2,761 $ 3,332
Prepaid expenses 3,051 3,399
Other assets 413 324
Total $ 6,225 $ 7,055