Balance Sheet Details (Tables)

12 Months Ended

Dec. 31, 2015

Balance Sheet Related Disclosures [Abstract]

Schedule of Balance Sheet related disclosures

	December 31,
	2015			2014
Inventories, net:
Raw material and purchased parts	$	21,126		$	23,042
Work-in-process	4,367			2,522
Finished goods	16,913			23,127
Consigned finished goods	28			184
Reserves	(3,379		)	(4,019		)
Total inventories, net	$	39,055		$	44,856
Property and equipment, net:
Machinery, furniture and office equipment	$	76,077		$	72,323
Computer hardware and software	12,235			12,003
Leasehold improvements	16,883			16,661
Construction in progress	2,527			2,715
Property and equipment, gross	107,722			103,702
Less accumulated depreciation and amortization	(75,398		)	(64,479		)
Total property and equipment, net	$	32,324		$	39,223
Accounts payable and accrued liabilities:
Accounts payable	$	22,291		$	12,544
Income tax payable	1,376			1,852
Accrued warranty	1,288			716
Other accrued liabilities	9,030			11,899
Total accounts payable and accrued liabilities	$	33,985		$	27,011

Schedule of accumulated other comprehensive income

	Foreign Currency Translation Adjustment		Defined Benefit Pension  Plan			Accumulated Other Comprehensive Income			Affected Line Item in the Statement of Operations
Accumulated other comprehensive income:
Balance at December 31, 2014	$	8,359	$	(3,636	)	$	4,723
Other comprehensive income before reclassification	1,574		—			1,574
Amounts reclassified from accumulated other comprehensive income (loss)	—		(1,403		)	(1,403		)	Cost of Sales, Selling, General and Administrative and Research and Development Expense
Net other comprehensive income for the year ended December 31, 2015	1,574		(1,403		)	171
Balance at December 31, 2015	$	9,933	$	(5,039	)	$	4,894