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Supplemental Financial Information (Tables)

6 Months Ended

Jun. 30, 2018

Supplemental Financial Information

Schedule Of Inventories

			June 30,								December 30,
			2018								2017
				(in thousands)
Raw materials				$		1,474						$		768
Work in process						322								88
Finished goods						1,669								3,249
				$		3,465						$		4,105

Schedule Of Warranty Liability Activity

		Six Months Ended
		June 30,							July 1,
		2018							2017
		(in thousands)
Beginning balance		$	152							$	89
Estimated cost of warranty claims charged to cost of sales			155								97
Cost of actual warranty claims			(131)								(73)
Ending balance			176								113
Less current portion			(106)								(68)
Long-term warranty liability		$	70							$	45

Schedule Of Computation Of Net Loss Per Share

		Three Months Ended						Six Months Ended
		June 30,			July 1,			June 30,			July 1,
		2018			2017			2018			2017
		(in thousands, except per share data)
Basic and diluted net loss per share:
Numerator: Net loss		$	(3,417)		$	(3,847)		$	(8,090)		$	(7,189)
Denominator: Weighted-average common shares outstanding, basic and diluted			91,685			61,844			87,073			61,763
Basic and diluted net loss per share		$	(0.04)		$	(0.06)		$	(0.09)		$	(0.12)

Schedule Of Potential Common Shares Excluded From The Diluted Net Loss Per Share Calculations

		Three Months Ended						Six Months Ended
		June 30,			July 1,			June 30,			July 1,
		2018			2017			2018			2017
		(in thousands)						(in thousands)
Common share equivalents			12,627			13,006			12,628			13,155

Schedules Of Concentration Of Risk, By Risk Factor

		Three Months Ended					Six Months Ended
		June 30,		July 1,			June 30,		July 1,
		2018		2017			2018		2017
Customer:
Customer A		28	%	*	%		20	%	*	%
Customer B		*	%	16	%		*	%	*	%
Customer C		*	%	*	%		*	%	11	%

* Less than 10% of net sales during the period.

Schedule Of Supplemental Disclosures Of Cash Flow Information And Non-Cash Financing Activities

		Six Months Ended
		June 30,			July 1,
		2018			2017
		(in thousands)
Supplemental disclosure of non-cash financing activities:
Debt financing of insurance		$	344		$	220

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