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 under stock option plan	175		$ 1	174
Issuance of common stock under stock option plan, shares			53,220
Stock-based compensation expense	1,263			1,263
Issuance of common stock, net of issuance costs, shares			1,618,122
Release of restricted stock, net of taxes paid	(626)		$ 3	(629)
Release of restricted stock, net of taxes paid, shares			291,498
Other comprehensive income	48				48
Net income (loss)	(2,782)					(2,782)
Ending Balance, value at Oct. 02, 2021	25,322		$ 168	84,851	29	(59,726)
Ending Balance, shares at Oct. 02, 2021			15,862,523
Beginning Balance, value at Jul. 03, 2021	26,880		$ 167	84,265	9	(57,561)
Beginning Balance, shares at Jul. 03, 2021			15,783,704
Issuance of common stock under stock option plan	78		$ 0	78
Issuance of common stock under stock option plan, shares			29,916
Stock-based compensation expense	617			617
Release of restricted stock, net of taxes paid	(108)		$ 1	(109)
Release of restricted stock, net of taxes paid, shares			48,903
Other comprehensive income	20				20
Net income (loss)	(2,165)					(2,165)
Ending Balance, value at Oct. 02, 2021	25,322		$ 168	84,851	29	(59,726)
Ending Balance, shares at Oct. 02, 2021			15,862,523
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	$ 21		$ 0	21
Issuance of common stock under stock option plan, shares	9,692		9,692
Stock-based compensation expense	$ 1,105			1,105
Release of restricted stock, net of taxes paid	(94)		$ 1	(95)
Release of restricted stock, net of taxes paid, shares			103,662
Other comprehensive income	143				143
Net income (loss)	(6,399)					(6,399)
Ending Balance, value at Oct. 01, 2022	$ 18,075		$ 169	86,286	188	(68,568)
Ending Balance, shares at Oct. 01, 2022	15,989,525		15,989,525
Beginning Balance, value at Jul. 02, 2022	$ 19,432		$ 169	85,935	129	(66,801)
Beginning Balance, shares at Jul. 02, 2022			15,955,536
Issuance of common stock under stock option plan	7		$ 0	7
Issuance of common stock under stock option plan, shares			3,629
Stock-based compensation expense	377			377
Release of restricted stock, net of taxes paid	(33)		$ 0	(33)
Release of restricted stock, net of taxes paid, shares			30,360
Other comprehensive income	59				59
Net income (loss)	(1,767)					(1,767)
Ending Balance, value at Oct. 01, 2022	$ 18,075		$ 169	$ 86,286	$ 188	$ (68,568)
Ending Balance, shares at Oct. 01, 2022	15,989,525		15,989,525

[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.