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Income Taxes - Components of Current and Long-Term Deferred Tax (Liabilities) Assets, Net (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Current:    
Reserves and accruals $ 3,091 $ 2,686
Stock options 1,942 2,035
Other 74 91
Total current deferred tax assets 5,107 4,812
Valuation allowance - ST (4,940) (4,589)
Current deferred tax assets, net 166 223
Noncurrent:    
Reserves and accruals 1,134 1,309
Stock options 5,825 6,106
Intangible assets 53,261 57,083
Net operating loss 5,717 255
Fixed assets (702) (1,193)
Tax Credits 2,785 1,568
Other 93 167
Total noncurrent deferred tax assets 68,113 65,295
Valuation allowance - LT (68,301) (63,583)
Noncurrent deferred tax (liabilities) assets, net (188) 1,712
Total deferred tax (liabilities) assets, net $ (22) $ 1,935