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	$ (21,472)	$ 15,489
Share-based compensation - employee		32		32
Treasury stock retired		(60)		(60)
Net income (loss)			(1,491)	(1,491)
Balance, ending at Jun. 29, 2019	27	36,906	(22,962)	13,971
Balance, beginning at Mar. 30, 2019	27	36,890	(22,445)	14,471
Share-based compensation - employee		16		16
Net income (loss)			(517)	(517)
Balance, ending at Jun. 29, 2019	27	36,906	(22,962)	13,971
Balance, beginning at Dec. 28, 2019	27	36,934	(22,937)	14,024
Share-based compensation - employee		132		132
Net income (loss)			1,169	1,169
Balance, ending at Jun. 27, 2020	27	37,066	(21,768)	15,325
Balance, beginning at Mar. 28, 2020	27	36,949	(21,836)	15,140
Share-based compensation - employee		117		117
Net income (loss)			68	68
Balance, ending at Jun. 27, 2020	$ 27	$ 37,066	$ (21,768)	$ 15,325