Balance Sheet Components (Tables)

12 Months Ended

Dec. 31, 2015

Balance Sheet Related Disclosures [Abstract]

Schedule of Inventories

Inventories consist of the following (in thousands):

	December 31,
	2015		2014
Raw materials	$	9,950	$	8,143
Work in process	7,067		2,970
Finished goods	2,448		4,815
Total Inventories	$	19,465	$	15,928

Property and Equipment

Property, plant and equipment consist of the following (in thousands):

	December 31,
	2015			2014
Clinical and manufacturing equipment	$	128,044		$	107,707
Computer hardware	25,843			24,092
Computer software	21,451			22,044
Furniture and fixtures	8,855			7,386
Leasehold improvements	20,172			15,358
Building	4,227			1,868
Land	3,072			1,162
CIP	42,846			18,310
Total	254,510			197,927
Less: Accumulated depreciation and amortization and impairment charges	(118,037		)	(107,802		)
Total Property, plant and equipment, net	$	136,473		$	90,125

Schedule of Accrued Liabilities

Accrued liabilities consist of the following (in thousands):

	December 31,
	2015		2014
Accrued payroll and benefits	$	55,430	$	44,610
Accrued accounts payable	13,834		5,736
Accrued sales rebate	8,486		11,110
Accrued sales and marketing expenses	7,071		5,979
Accrued sales tax and value added tax	4,801		5,456
Accrued professional fees	2,775		2,494
Accrued income taxes	2,646		2,027
Accrued warranty	2,638		3,148
Other accrued liabilities	10,084		7,320
Total Accrued Liabilities	$	107,765	$	87,880

Warranty accrual

Warranty accrual as of December 31, 2015 and 2014 consists of the following activity (in thousands):

Warranty accrual, December 31, 2013	$	3,104
Charged to cost of revenues	1,990
Actual warranty expenditures	(1,946		)
Warranty accrual, December 31, 2014	3,148
Charged to cost of revenues	1,796
Actual warranty expenditures	(2,306		)
Warranty accrual, December 31, 2015	$	2,638