Balance Sheet Details (Tables)

6 Months Ended

Jun. 30, 2016

Balance Sheet Related Disclosures [Abstract]

Schedule of inventories

	June 30, 2016			December 31, 2015
Raw materials and purchased parts	$	12,518		$	21,126
Work-in-process	1,096			4,367
Finished goods	20,107			16,913
Consigned finished goods	288			28
Reserves	(1,054		)	(3,379		)
Total inventories, net	$	32,955		$	39,055

Schedule of change in the carrying amount of goodwill

The change in the carrying amount of goodwill from December 31, 2015 to June 30, 2016 is as follows:

Balance at December 31, 2015	$	23,635
Foreign currency translation adjustments	305
Goodwill related to sale of product line	(291		)
Balance at June 30, 2016	$	23,649

Schedule of accumulated other comprehensive income

	Foreign Currency Translation Adjustment		Defined Benefit Pension Plan			Accumulated Other Comprehensive Income		Affected Line Items in the Statement of Operations
Balance as of December 31, 2015	$	9,933	$	(5,039	)	$	4,894
Other comprehensive income before reclassification	872		—			872
Amounts reclassified from accumulated other comprehensive income			157			157		Cost of Sales, Selling, General and Administrative and Research and Development Expense
Net other comprehensive income for the six months ended June 30, 2016	872		157			1,029
Balance as of June 30, 2016	$	10,805	$	(4,882	)	$	5,923