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	531			531
Release of restricted stock, net of taxes paid	(4)		$ (1)	(5)
Release of restricted stock, shares net of taxes paid			71,736
Other comprehensive income (loss)	(7)				(7)
Net Income (loss)	(4,431)					(4,431)
Ending Balance, value at Jun. 27, 2020	18,794		$ 148	73,619	73	(55,046)
Ending Balance, shares at Jun. 27, 2020			13,856,969
Beginning Balance, value at Mar. 28, 2020	21,149		$ 147	73,186	82	(52,266)
Beginning Balance, shares at Mar. 28, 2020			13,787,969
Employee stock-based compensation expense	436			436
Release of restricted stock, net of taxes paid	(2)		$ (1)	(3)
Release of restricted stock, shares net of taxes paid			69,000
Other comprehensive income (loss)	(9)				(9)
Net Income (loss)	(2,780)					(2,780)
Ending Balance, value at Jun. 27, 2020	18,794		$ 148	73,619	73	(55,046)
Ending Balance, shares at Jun. 27, 2020			13,856,969
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	$ 97		$ 1	96
Issuance of common stock under stock option plan, shares	23,304		23,304
Employee stock-based compensation expense	$ 646			646
Release of restricted stock, net of taxes paid	(518)		$ (2)	(520)
Release of restricted stock, shares net of taxes paid			242,595
Other comprehensive income (loss)	28				28
Net Income (loss)	(617)					(617)
Ending Balance, value at Jul. 03, 2021	$ 26,880		$ 167	84,265	9	(57,561)
Ending Balance, shares at Jul. 03, 2021	15,783,704		15,783,704
Beginning Balance, value at Apr. 03, 2021	$ 25,649		$ 165	84,419	19	(58,954)
Beginning Balance, shares at Apr. 03, 2021			15,522,809
Issuance of common stock under stock option plan	80			80
Issuance of common stock under stock option plan, shares			20,222
Employee stock-based compensation expense	280			280
Release of restricted stock, net of taxes paid	(512)		$ (2)	(514)
Release of restricted stock, shares net of taxes paid			240,673
Other comprehensive income (loss)	(10)				(10)
Net Income (loss)	1,393					1,393
Ending Balance, value at Jul. 03, 2021	$ 26,880		$ 167	$ 84,265	$ 9	$ (57,561)
Ending Balance, shares at Jul. 03, 2021	15,783,704		15,783,704

[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.