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
Stock-based compensation expense	646			646
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
Release of restricted stock, net of taxes paid	(518)		$ 2	(520)
Release of restricted stock, net of taxes paid, shares			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
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
Stock-based compensation expense	280			280
Issuance of common stock under stock option plan	80		$ 0	80
Issuance of common stock under stock option plan, shares			20,222
Release of restricted stock, net of taxes paid	(512)		$ 2	(514)
Release of restricted stock, net of taxes paid, shares			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
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
Stock-based compensation expense	$ 728			728
Issuance of common stock under stock option plan	14		$ 0	14
Issuance of common stock under stock option plan, shares			6,063
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 income (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		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 income (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		15,955,536

[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.