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Balance Sheet Components (Tables)

3 Months Ended

Sep. 30, 2018

Balance Sheet Related Disclosures [Abstract]

Schedule of Accounts, Notes, Loans and Financing Receivable

Accounts receivable, net:

	September 30, 2018				June 30, 2018
	(in thousands)
Accounts receivable	$	55,290			$	52,687
Less: Allowance for price adjustments	(18,152		)		(18,902		)
Less: Allowance for doubtful accounts	(30		)		(30		)
Accounts receivable, net	$	37,108			$	33,755

Schedule of Inventory, Current

Inventories:

	September 30, 2018				June 30, 2018
	(in thousands)
Raw materials	$	51,854			$	47,097
Work in-process	39,296				35,243
Finished goods	6,899				7,842
	$	98,049			$	90,182

Other Current Assets

Other current assets:

	September 30, 2018				June 30, 2018
	(in thousands)
VAT receivable	$	25,722			$	17,601
Other prepaid expenses	2,417				2,121
Prepaid insurance	1,109				906
Prepaid maintenance	685				556
Prepayment to supplier	735				227
Prepaid income tax	761				761
Custom deposit	26				5,749
Lease financing cost	910				960
Other receivable	390				670
	$	32,755			$	29,551

Property, Plant and Equipment

operty, plant and equipment, net:

	September 30, 2018				June 30, 2018
	(in thousands)
Land	$	4,877			$	4,877
Building	33,836				4,325
Manufacturing machinery and equipment	274,818				265,192
Equipment and tooling	17,891				16,605
Computer equipment and software	26,751				25,686
Office furniture and equipment	2,318				2,314
Leasehold improvements	30,499				29,900
Land use rights	8,750				9,089
	399,740				357,988
Less: accumulated depreciation	(229,627		)		(225,184		)
	170,113				132,804
Equipment and construction in progress	198,436				198,852
Property, plant and equipment, net	$	368,549			$	331,656

Intangible Assets Disclosure

Intangible assets, net:

	September 30, 2018				June 30, 2018
	(in thousands)
Patents and technology rights	$	17,637			$	17,633
Trade name	268				268
Customer relationships	1,150				1,150
	19,055				19,051
Less: accumulated amortization	(2,757		)		(2,729		)
	16,298				16,322
Goodwill	269				269
Intangible assets, net	$	16,567			$	16,591

Schedule of Other Assets, Noncurrent

Other long-term assets:

	September 30, 2018				June 30, 2018
	(in thousands)
Prepayments for property and equipment	$	5,844			$	17,599
Investment in a privately held company	700				700
Lease financing costs	1,630				1,922
VAT long-term receivable	478				3,396
Custom deposit	1,766				1,589
Other long-term deposits	1,983				2,252
Office leases deposits	981				853
Other	315				387
	$	13,697			$	28,698

Schedule of Accrued Liabilities

Accrued liabilities:

	September 30, 2018				June 30, 2018
	(in thousands)
Accrued compensation and benefits	$	23,674			$	18,484
Warranty accrual	632				535
Stock rotation accrual	1,775				1,750
Accrued professional fees	1,860				1,922
Accrued inventory	640				667
Accrued facilities related expenses	3,446				2,163
Accrued financing lease costs	1,454				1,510
Accrued property, plant and equipment	15,038				18,145
Other accrued expenses	7,535				4,665
	$	56,054			$	49,841

Schedule of Product Warranty Liability

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

	Three Months Ended September 30,
	2018				2017
	(in thousands)
Beginning balance	$	535			$	1,866
Additions (reductions)	136				(237		)
Utilization	(39		)		(7		)
Ending balance	$	632			$	1,622

Stock Rotation Accrual

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

	Three Months Ended September 30,
	2018				2017
	(in thousands)
Beginning balance	$	1,750			$	1,871
Additions	748				791
Utilization	(723		)		(668		)
Ending balance	$	1,775			$	1,994

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