Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Total		Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit
Beginning Balance, value at Jan. 02, 2021	$ 17,366		$ 148	$ 74,181	$ (19)	$ (56,944)
Beginning Balance, shares at Jan. 02, 2021			13,899,683
Issuance of common stock, net of issuance costs	9,878		$ 16	9,862
Issuance of common stock, net of issuance costs, shares			1,618,122
Issuance of common stock under stock option plan	17		$ 1	16
Issuance of common stock under stock option plan, shares			3,082
Stock-based compensation	366			366
Release of restricted stock, net of taxes paid	(6)			(6)
Release of restricted stock, shares net of taxes paid			1,922
Other comprehensive income	38				38
Net loss	(2,010)					(2,010)
Ending Balance, value at Apr. 03, 2021	25,649		$ 165	84,419	19	(58,954)
Ending Balance, shares at Apr. 03, 2021			15,522,809
Beginning Balance, value at Jan. 01, 2022	$ 23,299	[1]	$ 168	85,255	45	(62,169)
Beginning Balance, shares at Jan. 01, 2022	15,876,171		15,876,171
Issuance of common stock under stock option plan	$ 14			14
Issuance of common stock under stock option plan, shares	6,063		6,063
Stock-based compensation	$ 384			384
Release of restricted stock, net of taxes paid	(8)			(8)
Release of restricted stock, shares net of taxes paid			3,073
Other comprehensive income	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		15,885,307

[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 January 1, 2022.