Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock	Additional Paid-in Capital	Accumulated Earnings (Deficit)	Total
Balance, beginning at Dec. 29, 2018	$ 27	$ 36,934	$ (21,471)	$ 15,490
Share-based compensation - employee		45		45
Treasury stock retired		(61)		(61)
Net income (loss)			(2,207)	(2,207)
Balance, ending at Sep. 28, 2019	27	36,918	(23,678)	13,267
Balance, beginning at Jun. 29, 2019	27	36,906	(22,962)	13,971
Share-based compensation - employee		12		12
Net income (loss)			(716)	(716)
Balance, ending at Sep. 28, 2019	27	36,918	(23,678)	13,267
Balance, beginning at Dec. 28, 2019	27	36,934	(22,937)	14,024
Common stock issued	1			1
Share-based compensation - employee		177		177
Net income (loss)			59	59
Balance, ending at Sep. 26, 2020	28	37,111	(22,878)	14,261
Balance, beginning at Jun. 27, 2020	27	37,066	(21,768)	15,325
Common stock issued	1			1
Share-based compensation - employee		45		45
Net income (loss)			(1,110)	(1,110)
Balance, ending at Sep. 26, 2020	$ 28	$ 37,111	$ (22,878)	$ 14,261