Balance Sheet Details (Tables)

12 Months Ended

Dec. 31, 2014

Balance Sheet Related Disclosures [Abstract]

Schedule of Balance Sheet related disclosures

	December 31,
	2014			2013
Inventories, net:
Raw material and purchased parts	$	23,042		$	18,921
Work-in-process	2,522			2,374
Finished goods	23,127			24,521
Consigned finished goods	184			2,490
Reserves	(4,019		)	(3,570		)
Total inventories, net	$	44,856		$	44,736
Property and equipment, net:
Machinery, furniture and office equipment	$	72,323		$	63,528
Computer hardware and software	12,003			10,672
Leasehold improvements	16,661			10,576
Construction in progress	2,715			15,701
Property and equipment, gross	103,702			100,477
Less accumulated depreciation and amortization	(64,479		)	(55,536		)
Total property and equipment, net	$	39,223		$	44,941
Accounts payable and accrued liabilities:
Accounts payable	$	12,544		$	15,356
Income tax payable	1,852			2,366
Accrued warranty	716			180
Other accrued liabilities	11,899			7,714
Total accounts payable and accrued liabilities	$	27,011		$	25,616

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, 2013	$	18,804		$	(1,681	)	$	17,123
Other comprehensive income before reclassification	(10,445		)	—			(10,445		)
Amounts reclassified from accumulated other comprehensive income (loss)	—			(1,955		)	(1,955		)	Cost of Sales, Selling, General and Administrative and Research and Development Expense
Net other comprehensive income for the year ended December 31, 2014	(10,445		)	(1,955		)	(12,400		)
Balance at December 31, 2014	$	8,359		$	(3,636	)	$	4,723