Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Total		Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income	Accumulated Deficit
Beginning Balance, value at Dec. 29, 2018	$ 29,961		$ 145	$ 71,548	$ 70	$ (41,802)
Beginning Balance, shares at Dec. 29, 2018			13,602,052
Issuance of common stock under stock option plan, shares			210
Employee stock-based compensation expense	1,240			1,240
Release of restricted stock, net of taxes paid	(101)		$ (2)	(103)
Release of restricted stock, shares net of taxes paid			144,697
Other comprehensive income	(4)				(4)
Net loss	(5,467)					(5,467)
Ending Balance, value at Jun. 29, 2019	25,629		$ 147	72,685	66	(47,269)
Ending Balance, shares at Jun. 29, 2019			13,746,959
Beginning Balance, value at Mar. 30, 2019	27,443		$ 145	72,070	78	(44,850)
Beginning Balance, shares at Mar. 30, 2019			13,633,639
Issuance of common stock under stock option plan, shares			2
Employee stock-based compensation expense	625			625
Release of restricted stock, net of taxes paid	(8)		$ (2)	(10)
Release of restricted stock, shares net of taxes paid			113,318
Other comprehensive income	(12)				(12)
Net loss	(2,419)					(2,419)
Ending Balance, value at Jun. 29, 2019	25,629		$ 147	72,685	66	(47,269)
Ending Balance, shares at Jun. 29, 2019			13,746,959
Beginning Balance, value at Dec. 28, 2019	$ 22,705	[1]	$ 147	73,093	80	(50,615)
Beginning Balance, shares at Dec. 28, 2019	13,785,233		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	(7)				(7)
Net 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		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	(9)				(9)
Net 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		13,856,969

[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 December 28, 2019.