Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Total		Cumulative Effect Period of Adoption Adjustment	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit	Accumulated Deficit Cumulative Effect Period of Adoption Adjustment
Beginning Balance, value at Jan. 01, 2022	$ 23,299			$ 168	$ 85,255	$ 45	$ (62,169)
Beginning Balance, shares at Jan. 01, 2022				15,876,171
Issuance of common stock under stock option plan	14			$ 0	14
Issuance of common stock under stock option plan, shares				6,063
Stock-based compensation expense	384				384
Release of restricted stock, net of taxes paid	(8)			$ 0	(8)
Release of restricted stock, net of taxes paid, shares				3,073
Other comprehensive income (loss)	28					28
Net loss	(2,391)						(2,391)
Ending Balance, value at Apr. 02, 2022	21,326			$ 168	85,645	73	(64,560)
Ending Balance, shares at Apr. 02, 2022				15,885,307
Beginning Balance, value at Dec. 31, 2022	$ 17,231	[1]		$ 169	86,802	(24)	(69,716)
Beginning Balance, shares at Dec. 31, 2022	15,989,662			15,989,662
Issuance of common stock under stock option plan	$ 37			$ 0	37
Issuance of common stock under stock option plan, shares	17,499			17,499
Stock-based compensation expense	$ 473				473
Other comprehensive income (loss)	(11)					(11)
Net loss	(2,090)						(2,090)
Ending Balance, value at Apr. 01, 2023	$ 15,884			$ 169	$ 87,312	$ (35)	$ (71,562)
Ending Balance, value (Adoption of ASU 2016-13) at Apr. 01, 2023			$ 244					$ 244
Ending Balance, shares at Apr. 01, 2023	16,007,161			16,007,161

[1] Derived from the audited consolidated financial statements included in the Annual Report on Form 10-K filed with the SEC for the year ended December 31, 2022.