Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) shares in Thousands, $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 24, 2022
Cash Flows from Operating Activities:
Net loss	$ (11,389)	$ (7,488)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	450	691
Share-based compensation expense	202	165
Loss on disposal of fixed assets	287	0
Impairment of ROU asset	197	0
Changes in current assets and liabilities:
Trade accounts receivable	140	(2,375)
Contract assets	218	(1,643)
Other current assets	2,803	1,369
Accounts payable	2,632	1,564
Accrued compensation and benefits	614	13
Contract liabilities	910	(834)
Income taxes payable	10	(8)
Other current liabilities, net	(904)	64
Net cash used in operating activities	(3,830)	(8,482)
Cash Flows from Investing Activities:
Asset acquisition, net of cash acquired	0	(971)
Property and equipment acquired	(277)	(291)
Net cash used in investing activities	(277)	(1,262)
Cash Flows from Financing Activities:
Common stock and warrants issued, net	2,962	0
At-the-market offering costs	0	(97)
Payments on finance leases	(188)	(233)
Proceeds from Credit Agreement	1,018	0
Payments on revolving credit facility, net	(1,661)	536
Net cash provided by financing activities	2,131	206
Net change in cash	(1,976)	(9,538)
Cash at beginning of period	3,464	19,202
Cash at end of period	1,488	9,664
Supplemental disclosure of cash flow information:
Cash paid during the period for interest	158	167
Fair value of warrants at issuance date	2,782	0
Right of use assets obtained in exchange for new operating lease liability	524	4,864
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)	$ 55	$ 51
Asset acquisition, common stock issued	0	525
Asset acquisition, contingent consideration	$ 0	$ 1,380