Condensed Consolidated Statements of Stockholders Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Retained Earnings (Accumulated Deficit)
Balance, shares at Dec. 27, 2019		0
Balance, amount at Dec. 27, 2019		$ 27	$ 36,934	$ (22,937)
Common stock issued, shares		0
Common stock issued, amount		$ 0	0
Share-based compensation - employee			132
Net income (loss)				1,169
Balance, shares at Mar. 27, 2020		0
Balance, amount at Mar. 27, 2020		$ 27	36,949	(21,836)
Common stock issued, shares		0
Common stock issued, amount		$ 0	0
Share-based compensation - employee			117
Net income (loss)				68
Balance, shares at Jun. 27, 2020		0
Balance, amount at Jun. 27, 2020	$ 15,325	$ 27	37,066	(21,768)
Balance, shares at Dec. 26, 2020		0
Balance, amount at Dec. 26, 2020	13,623	$ 28	37,157	(23,562)
Common stock issued, shares		0
Common stock issued, amount		$ 7	20,045
Share-based compensation - employee			107
Net income (loss)				(4,210)
Balance, shares at Mar. 26, 2021		0
Balance, amount at Mar. 26, 2021		$ 28	37,202	(23,516)
Balance, shares at Dec. 26, 2020		0
Balance, amount at Dec. 26, 2020	13,623	$ 28	37,157	(23,562)
Net income (loss)	(4,210)
Balance, shares at Jun. 26, 2021		0
Balance, amount at Jun. 26, 2021	29,572	$ 35	57,309	(27,772)
Balance, shares at Mar. 26, 2021		0
Balance, amount at Mar. 26, 2021		$ 28	37,202	(23,516)
Common stock issued, shares		0
Common stock issued, amount		$ 7	20,045
Share-based compensation - employee			62
Net income (loss)				(4,256)
Balance, shares at Jun. 26, 2021		0
Balance, amount at Jun. 26, 2021	$ 29,572	$ 35	$ 57,309	$ (27,772)