Unaudited Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Oct. 02, 2022	Oct. 03, 2021
Cash flows from operating activities:
Net loss	$ (3,035)	$ (5,033)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	516	471
Stock-based compensation	1,347	1,455
Write-down of inventories and reclassifications	72	225
Gain on disposal of equipment	(27)	(5)
Gain on forgiveness of debt	0	(1,192)
Bad debt expense	0	62
Changes in operating assets and liabilities:
Accounts receivable	(2,611)	(386)
Inventories	(195)	281
Other assets	(158)	(90)
Trade payables	981	699
Accrued liabilities	(52)	251
Deferred revenue	(239)	42
Other long-term liabilities	(22)	167
Net cash used in operating activities	(3,423)	(3,053)
Cash flows from investing activities:
Capital expenditures for property and equipment	(139)	(178)
Capitalized internal-use software	(495)	(402)
Net cash used in investing activities	(634)	(580)
Cash flows from financing activities:
Payment of finance lease obligations	(299)	(231)
Proceeds from line of credit	45,000	45,000
Repayment of line of credit	(45,000)	(45,000)
Proceeds from issuance of common stock, net	4,787	1,182
Taxes paid related to settlement of equity awards	0	(485)
Net cash provided by financing activities	4,488	466
Net increase (decrease) in cash, cash equivalents and restricted cash	431	(3,167)
Cash, cash equivalents and restricted cash at beginning of period	19,605	22,748
Cash, cash equivalents and restricted cash at end of period	$ 20,036	$ 19,581