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Income Taxes - Additional Information (Detail) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Income Tax Disclosure [Abstract]    
Deferred income tax valuation allowance $ 10,652 $ 2,564
Net deferred tax assets 2,322 $ 6,852
Net operating loss carry-forward $ 13,700  
Net operating loss carryforward expiration year 2024