Balance Sheet Details

3 Months Ended

Mar. 31, 2018

Balance Sheet Related Disclosures [Abstract]

Balance Sheet Details

Balance Sheet Details (in thousands)

Inventories

	March 31, 2018		December 31, 2017
Raw materials and purchased parts	$	14,316	$	12,675
Work-in-process	2,696		1,756
Finished goods	20,473		17,797
Total inventories	$	37,485	$	32,228

Warranty

Activity in the warranty reserve, which is included in “accounts payable and accrued liabilities” in the condensed consolidated balance sheets, is as follows:

	Three Months Ended March 31,
	2018			2017
Beginning balance	$	1,413		$	1,213
Product warranties issued	124			137
Settlement of warranties	(241		)	(104		)
Changes related to preexisting warranties	(59		)	52
Ending balance	$	1,237		$	1,298

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, 2017	$	12,957	$	(881	)	$	12,076
Other comprehensive income before reclassification	1,437		—			1,437
Amounts reclassified from accumulated other comprehensive income	—		19			19		Cost of Sales, Selling, General and Administrative and Research and Development Expense
Net other comprehensive income for the three months ended March 31, 2018	1,437		19			1,456
Balance as of March 31, 2018	$	14,394	$	(862	)	$	13,532