Income Taxes - Components of Net Deferred Tax Assets (Liabilities) (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Jun. 30, 2017
Deferred tax assets:
Inventory valuation and receivable allowances	$ 8,476	$ 13,845
Accrued compensation	3,803	4,555
Equity compensation	3,944	4,858
Federal and state research and development tax credit carryforwards	18,784	13,415
Other accruals	1,085	2,125
Accrued compensation	1,561	1,606
Operating Loss Carryforwards	1,634	0
Capital loss carryforwards	2,413	3,562
Other temporary differences	1,565	1,500
Deferred tax Asset	43,265	45,466
Valuation allowance	(16,992)	(16,570)
Total deferred tax assets	26,273	28,896
Deferred tax liabilities:
Deferred revenue	(696)	(481)
Property and equipment depreciation	(4,436)	(3,749)
Acquired intangible assets	(34,546)	(28,163)
Tax method of accounting change	0	(285)
Other temporary differences	(230)	(441)
Total deferred tax liabilities	39,908	33,119
Net deferred tax (liabilities) assets	(13,635)	(4,223)
Current deferred tax assets	0	633
Non-current deferred tax assets	$ (13,635)	$ (4,856)