Balance Sheet Components (Tables)

6 Months Ended

Jun. 30, 2017

Notes To Financial Statements [Abstract]

Schedule of Inventories

Inventories consist of the following (in thousands):

	June 30, 2017		December 31, 2016
Raw materials	$	13,258	$	9,793
Work in process	13,848		10,773
Finished goods	8,027		6,565
Total inventories	$	35,133	$	27,131

Schedule of Accrued Liabilities

Accrued liabilities consist of the following (in thousands):

	June 30, 2017		December 31, 2016
Accrued payroll and benefits	$	74,179	$	79,214
Accrued sales and marketing expenses	15,402		11,970
Accrued sales rebate	11,959		10,342
Accrued sales tax and value added tax	10,211		5,032
Accrued professional fees	7,139		3,604
Accrued income taxes	7,003		4,210
Accrued warranty	5,028		3,841
Other accrued liabilities	27,917		16,119
Total accrued liabilities	$	158,838	$	134,332

Warranty Accrual

Warranty accrual as of June 30, 2017 and 2016 consists of the following activity (in thousands):

	Six Months Ended June 30,
	2017			2016
Balance at beginning of period	$	3,841		$	2,638
Charged to cost of revenues	3,690			1,993
Actual warranty expenditures	(2,503		)	(1,801		)
Balance at end of period	$	5,028		$	2,830