Balance Sheet Components (Tables)

9 Months Ended

Mar. 31, 2016

Balance Sheet Related Disclosures [Abstract]

Schedule of Accounts, Notes, Loans and Financing Receivable

Accounts receivable:

	March 31, 2016			June 30, 2015
	(in thousands)
Accounts receivable	$	48,898		$	58,249
Less: Allowance for price adjustments	(16,832		)	(19,438		)
Less: Allowance for doubtful accounts	(30		)	(30		)
Accounts receivable, net	$	32,036		$	38,781

Schedule of Inventory, Current

Inventories:

	March 31, 2016		June 30, 2015
	(in thousands)
Raw materials	$	22,991	$	19,423
Work in-process	36,363		31,269
Finished goods	8,557		13,483
	$	67,911	$	64,175

Property, Plant and Equipment

Property, plant and equipment, net:

	March 31, 2016			June 30, 2015
	(in thousands)
Land	$	4,877		$	4,877
Building	4,243			4,243
Manufacturing machinery and equipment	189,563			172,467
Equipment and tooling	12,316			11,261
Computer equipment and software	20,958			20,602
Office furniture and equipment	1,813			1,762
Leasehold improvements	28,370			27,568
	262,140			242,780
Less: Accumulated depreciation	(162,352		)	(141,883		)
	99,788			100,897
Equipment and construction in progress	12,709			18,682
Property, plant and equipment, net	$	112,497		$	119,579

Schedule of Other Assets, Noncurrent

Other long-term assets:

	March 31, 2016		June 30, 2015
	(in thousands)
Prepayments for property and equipment	$	937	$	692
Investment in a privately held company	100		100
Office leases deposits	1,934		1,215
Other	—		4
	$	2,971	$	2,011

Schedule of Accrued Liabilities

Accrued liabilities:

	March 31, 2016		June 30, 2015
	(in thousands)
Accrued compensation and benefit	$	6,584	$	5,600
Accrued vacation	2,091		1,830
Accrued bonuses	1,445		1,152
Warranty accrual	1,596		1,957
Stock rotation accrual	2,056		1,894
Accrued professional fees	1,548		1,402
ESPP payable	878		343
Customer deposits	580		149
Accrued inventory	1,187		697
Accrued facilities related expenses	1,325		1,367
Other accrued expenses	2,721		2,834
	$	22,011	$	19,225

Schedule of Product Warranty Liability

The activities in the warranty accrual, included in accrued liabilities, are as follows:

	Nine Months Ended March 31,
	2016			2015
	(in thousands)
Beginning balance	$	1,957		$	1,346
Additions	803			1,216
Utilization	(1,164		)	(1,445		)
Ending balance	$	1,596		$	1,117

Stock Rotation Accrual

The activities in the stock rotation accrual, included in accrued liabilities, are as follows:

	Nine Months Ended March 31,
	2016			2015
	(in thousands)
Beginning balance	$	1,894		$	1,645
Additions	4,643			4,129
Utilization	(4,481		)	(4,000		)
Ending balance	$	2,056		$	1,774

Schedule of Other Noncurrent Liabilities

Other Long-term liabilities:

	March 31, 2016		June 30, 2015
	(in thousands)
Deferred rent	$	797	$	953