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 Dec. 28, 2019	$ 22,705		$ 147	$ 73,093	$ 80	$ (50,615)
Beginning Balance, shares at Dec. 28, 2019			13,785,233
Employee stock-based compensation expense	95			95
Release of restricted stock, net of taxes paid	(2)			(2)
Release of restricted stock, shares net of taxes paid			2,736
Other comprehensive income	2				2
Net loss	(1,651)					(1,651)
Ending Balance, value at Mar. 28, 2020	21,149		$ 147	73,186	82	(52,266)
Ending Balance, shares at Mar. 28, 2020			13,787,969
Beginning Balance, value at Jan. 02, 2021	$ 17,366	[1]	$ 148	74,181	(19)	(56,944)
Beginning Balance, shares at Jan. 02, 2021	13,899,683		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		3,082
Employee stock-based compensation expense	$ 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		15,522,809

[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 2, 2021.