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Income Taxes - Components of Long-Term Deferred Tax Liabilities, Net (Detail) - USD ($)
$ in Thousands
Jun. 30, 2017
Jun. 30, 2016
Noncurrent:    
Reserves and accruals $ 2,198 $ 3,309
Stock options 4,805 5,885
Intangible assets 41,639 47,850
Net operating loss 27,719 18,812
Fixed assets 194 9
Tax credits 4,488 3,874
Other 868 91
Total noncurrent deferred tax assets 81,911 79,830
Valuation allowance - Long-term (81,964) (79,868)
Noncurrent deferred tax liabilities, net $ (53) $ (38)