Balance Sheet Details (Tables)

9 Months Ended

Sep. 30, 2015

Balance Sheet Related Disclosures [Abstract]

Schedule of inventories

	September 30, 2015			December 31, 2014
Raw materials and purchased parts	$	22,803		$	23,042
Work-in-process	3,398			2,522
Finished goods	18,097			23,311
Reserves	(3,457		)	(4,019		)
Total inventories, net	$	40,841		$	44,856

Schedule of change in the carrying amount of goodwill

The change in the carrying amount of goodwill from December 31, 2014 to September 30, 2015 is as follows:

Balance at December 31, 2014	$	23,599
Foreign currency translation adjustments	450
Balance at September 30, 2015	$	24,049

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, 2014	$	8,359	$	(3,636	)	$	4,723
Other comprehensive income before reclassification	2,776		—			2,776
Amounts reclassified from accumulated other comprehensive income	—		111			111		Cost of Sales, Selling, General and Administrative and Research and Development Expense
Net other comprehensive income for the nine months ended September 30, 2015	2,776		111			2,887
Balance as of September 30, 2015	$	11,135	$	(3,525	)	$	7,610