Financial Statement Components (Tables)

12 Months Ended

Dec. 29, 2018

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

	At
	December 29, 2018			December 30, 2017
Inventories:
Raw materials and sub-assemblies	$	31,434		$	32,187
Work in process		22,383			13,498
Finished goods		8,098			7,175
Inventories		61,915			52,860
Inventories-delivered systems		180			1,534
Total inventories	$	62,095		$	54,394

Property, plant and equipment, net:⁽¹⁾
Land	$	15,571		$	15,573
Building and improvements		21,354			20,880
Machinery and equipment		39,898			36,380
Furniture and fixtures		2,551			2,420
Software		10,116			9,558
Capital in progress		6,027			4,418
Total property, plant and equipment, gross		95,517			89,229
Accumulated depreciation and amortization		(47,617	)		(44,419	)
Total property, plant and equipment, net	$	47,900		$	44,810
⁽¹⁾ Total depreciation and amortization expense for the years ended December 29, 2018, December 30, 2017 and December 31, 2016 was $6.5 million, $6.7 million, and $6.8 million, respectively.

Other Current Liabilities:
Accrued warranty	$	4,379		$	4,863
Accrued taxes		1,738			813
Customer deposits		293			—
Accrued professional services		448			534
Third party commissions		1,382			76
Other		1,181			963
Total other current liabilities	$	9,421		$	7,249

Components of Accumulated Other Comprehensive Income (Loss)

	Years Ended
	Foreign Currency Translations			Defined Benefit Pension Plans			Unrealized Income (Loss) on Investment			Accumulated Other Comprehensive Income
Balance as of December 31, 2016	$	(5,817	)	$	(227	)	$	(2	)	$	(6,046	)
Current period change		4,170			(160	)		(88	)		3,922
Balance as of December 30, 2017		(1,647	)		(387	)		(90	)		(2,124	)
Current period change		(482	)		(259	)		308			(433	)
Balance as of December 30, 2018	$	(2,129	)	$	(646	)	$	218		$	(2,557	)