Unaudited Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jul. 03, 2022	Jul. 04, 2021
Cash flows from operating activities:
Net loss	$ (1,688)	$ (3,751)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	334	323
Stock-based compensation	860	570
Write-down of inventories and reclassifications	54	229
Gain on disposal of equipment	(76)	0
Gain on forgiveness of debt	0	(1,192)
Bad debt expense	0	32
Changes in operating assets and liabilities:
Accounts receivable	(2,266)	(407)
Inventories	(188)	254
Other assets	(6)	82
Trade payables	1,161	569
Accrued liabilities	87	266
Deferred revenue	(313)	24
Other long-term liabilities	(22)	189
Net cash used in operating activities	(2,063)	(2,812)
Cash flows from investing activities:
Capital expenditures for property and equipment	(117)	(174)
Capitalized internal-use software	(285)	(273)
Net cash used in investing activities	(402)	(447)
Cash flows from financing activities:
Payment of finance lease obligations	(198)	(156)
Proceeds from line of credit	30,000	30,000
Repayment of line of credit	(30,000)	(30,000)
Proceeds from issuance of common stock	1,604	148
Taxes paid related to settlement of equity awards	0	(485)
Net cash provided by (used in) financing activities	1,406	(493)
Net (decrease) increase in cash, cash equivalents and restricted cash	(1,059)	(3,752)
Cash, cash equivalents and restricted cash at beginning of period	19,605	22,748
Cash, cash equivalents and restricted cash at end of period	$ 18,546	$ 18,996