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	728				728
Release of restricted stock, net of taxes paid	(61)			$ 1	(62)
Release of restricted stock, net of taxes paid, shares				73,302
Other comprehensive income (loss)	84					84
Net loss	(4,632)						(4,632)
Ending Balance, value at Jul. 02, 2022	19,432			$ 169	85,935	129	(66,801)
Ending Balance, shares at Jul. 02, 2022				15,955,536
Beginning Balance, value at Apr. 02, 2022	21,326			$ 168	85,645	73	(64,560)
Beginning Balance, shares at Apr. 02, 2022				15,885,307
Stock-based compensation expense	344				344
Release of restricted stock, net of taxes paid	(53)			$ 1	(54)
Release of restricted stock, net of taxes paid, shares				70,229
Other comprehensive income (loss)	56					56
Net loss	(2,241)						(2,241)
Ending Balance, value at Jul. 02, 2022	19,432			$ 169	85,935	129	(66,801)
Ending Balance, shares at Jul. 02, 2022				15,955,536
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	$ 873				873
Release of restricted stock, net of taxes paid	(63)			$ 2	(65)
Release of restricted stock, net of taxes paid, shares				199,221
Other comprehensive income (loss)	(16)					(16)
Net loss	(4,856)						(4,856)
Ending Balance, value at Jul. 01, 2023	$ 13,450			$ 171	87,647	(40)	(74,328)
Ending Balance, value (Adoption of ASU 2016-13) at Jul. 01, 2023			$ 244					$ 244
Ending Balance, shares at Jul. 01, 2023	16,206,382			16,206,382
Beginning Balance, value at Apr. 01, 2023	$ 15,884			$ 169	87,312	(35)	(71,562)
Beginning Balance, shares at Apr. 01, 2023				16,007,161
Stock-based compensation expense	400				400
Release of restricted stock, net of taxes paid	(63)			$ 2	(65)
Release of restricted stock, net of taxes paid, shares				199,221
Other comprehensive income (loss)	(5)					(5)
Net loss	(2,766)						(2,766)
Ending Balance, value at Jul. 01, 2023	$ 13,450			$ 171	$ 87,647	$ (40)	$ (74,328)
Ending Balance, value (Adoption of ASU 2016-13) at Jul. 01, 2023			$ 244					$ 244
Ending Balance, shares at Jul. 01, 2023	16,206,382			16,206,382

[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.