Financial Statement Components (Tables)

6 Months Ended

Jun. 30, 2018

The following tables provide details of selected financial statement components as of the following dates (in thousands):

	At
	June 30, 2018			December 30, 2017
Inventories:
Raw materials and sub-assemblies	$	29,880		$	32,187
Work in process		17,655			13,498
Finished goods		6,703			7,175
Inventories		54,238			52,860
Inventories-delivered systems		1,855			1,534
Total inventories	$	56,093		$	54,394

Property, plant and equipment, net:⁽¹⁾
Land	$	15,571		$	15,573
Building and improvements		21,195			20,880
Machinery and equipment		40,235			36,380
Furniture and fixtures		2,461			2,420
Software		9,806			9,558
Capital in progress		1,108			4,418
Total property, plant and equipment, gross		90,376			89,229
Accumulated depreciation and amortization		(47,326	)		(44,419	)
Total property, plant and equipment, net	$	43,050		$	44,810
⁽¹⁾Total depreciation and amortization expense was $1.6 million and $1.6 million for the three months ended June 30, 2018 and July 1, 2017, respectively, and $3.3 million and $3.4 million for the six months ended June 30, 2018 and July 1, 2017, respectively.

Other Current Liabilities:
Accrued warranty	$	4,906		$	4,863
Accrued taxes		1,926			813
Accrued professional services		496			534
Other		1,180			1,039
Total other current liabilities	$	8,508		$	7,249

Components of Accumulated Other Comprehensive Income (Loss)

	Foreign Currency Translations			Defined Benefit Pension Plans			Unrealized Income (Loss) on Investment			Accumulated Other Comprehensive Income (Loss)
Balance as of December 30, 2017	$	(1,647	)	$	(387	)	$	(90	)	$	(2,124	)
Current period change		(568	)		—			(37	)		(605	)
Balance as of June 30, 2018	$	(2,215	)	$	(387	)	$	(127	)	$	(2,729	)