Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) shares in Thousands, $ in Thousands	6 Months Ended
	Jul. 01, 2023	Jun. 25, 2022
Cash Flows from Operating Activities:
Net loss	$ (10,668)	$ (5,153)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	330	368
Share-based compensation expense	89	111
Loss on disposal of fixed assets	287	0
Changes in current assets and liabilities:
Trade accounts receivable	(1,143)	382
Contract assets	1,186	(1,468)
Other current assets	2,092	1,608
Accounts payable	2,273	297
Accrued compensation and benefits	341	69
Contract liabilities	96	278
Income taxes payable	34	(27)
Other current liabilities, net	(495)	(433)
Net cash used in operating activities	(5,578)	(3,968)
Cash Flows from Investing Activities:
Asset acquisition, net of cash acquired	0	(937)
Property and equipment acquired	(154)	(92)
Net cash used in investing activities	(154)	(1,029)
Cash Flows from Financing Activities:
Common stock and warrants issued, net	2,962	0
At-the-market offering costs	0	(67)
Payments on finance leases	(136)	(182)
Proceeds from Priority Agreement	864	0
Proceeds from Credit Agreement	1,004	0
Payments on revolving credit facility, net	(1,662)	183
Net cash provided by (used in) financing activities	3,032	(66)
Net change in cash	(2,700)	(5,063)
Cash at beginning of period	3,464	19,202
Cash at end of period	764	14,139
Supplemental disclosure of cash flow information:
Cash paid during the period for interest	131	98
Fair value of warrants at issuance date	2,782	0
Right of use assets obtained in exchange for new operating lease liability	0	354
Right of use assets obtained in exchange for new financing lease liability	289	0
Cash paid during the period for income taxes (net of refunds)	$ 0	$ 48
Asset acquisition, common stock issued	0	525
Asset acquisition, contingent consideration	$ 0	$ 1,355