Condensed Consolidated Statements of Changes in Stockholders' Deficit - USD ($) $ in Thousands		Total	Total Common Stock	Class A Shares	Class B Shares	Class A Par Value	Class B Par Value	Common Stock Additional Paid-In Capital	Total Preferred Stock	Preferred Stock Shares	Preferred Stock Par Value	Preferred Stock Additional Paid-In Capital	Non- Controlling Interest	Accumulated Deficit
Beginning balance (in shares) at Dec. 27, 2020				11,926,264	0					1,183,272
Beginning balance, value at Dec. 27, 2020		$ (41,883)	$ (42,775)			$ 1	$ 0	$ (42,776)	$ 21,788		$ 0	$ 21,788	$ 0	$ (20,896)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		(11,998)											(19)	(11,979)
Issuance of common stock through exercise of warrants (in shares)				464,643
Issuance of common stock through exercise of warrants		2,193	1,799					1,799	394			394
Issuance of preferred stock (in shares)										460,000
Issuance of preferred stock		8,246							8,246			8,246
Share-based compensation (in shares)				300,000
Share-based compensation		488	488					488
Measurement period adjustment in accordance with ASU 2015-16		(1,381)	(1,381)					(1,381)
Stock contracted for issue in payment of debt (in shares)				62,500
Stock contracted for issue in payment of debt		816	816					816
Sale of Interest in operating restaurant		749	651					651					98
Dividends paid on common stock		(5,313)	(5,313)					(5,313)
Dividends paid on Series B preferred stock		(2,084)							(2,084)			(2,084)
Issuance of common stock in connection with acquisition of LS GFG Holdings Inc. (in shares)	[1]			1,964,865
Issuance of common stock in connection with acquisition of LS GFG Holdings Inc.	[1]	21,809	21,809					21,809
Stock dividend of Class B Shares (in shares)				294,729	1,270,683,000
Stock dividend of Class B shares		(25)	(25)			1		(26)
Series A Preferred shares retired through issuance of Series B preferred shares		9,564							9,564			9,564
Ending balance (in shares) at Sep. 26, 2021				15,013,001	1,270,683,000					1,643,272
Ending balance, value at Sep. 26, 2021		(18,819)	(23,931)			2	0	(23,933)	37,908		0	37,908	79	(32,875)
Beginning balance (in shares) at Jun. 27, 2021				12,491,528	0					1,643,272
Beginning balance, value at Jun. 27, 2021		(45,155)	(45,086)			1	0	(45,087)	29,092		0	29,092	93	(29,254)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		(3,635)											(14)	(3,621)
Issuance of common stock through exercise of warrants (in shares)				199,379
Issuance of common stock through exercise of warrants		810	659					659	151			151
Issuance of preferred stock		(35)							(35)			(35)
Share-based compensation		258	258					258
Measurement period adjustment in accordance with ASU 2015-16		70	70					70
Stock contracted for issue in payment of debt (in shares)				62,500
Sale of Interest in operating restaurant		500	500					500
Dividends paid on common stock		(2,116)	(2,116)					(2,116)
Dividends paid on Series B preferred stock		(864)							(864)			(864)
Issuance of common stock in connection with acquisition of LS GFG Holdings Inc. (in shares)	[1]			1,964,865
Issuance of common stock in connection with acquisition of LS GFG Holdings Inc.	[1]	21,809	21,809					21,809
Stock dividend of Class B Shares (in shares)				294,729	1,270,683,000
Stock dividend of Class B shares		(25)	(25)			1		(26)
Series A Preferred shares retired through issuance of Series B preferred shares		9,564							9,564			9,564
Ending balance (in shares) at Sep. 26, 2021				15,013,001	1,270,683,000					1,643,272
Ending balance, value at Sep. 26, 2021		(18,819)	(23,931)			2	0	(23,933)	37,908		0	37,908	$ 79	(32,875)
Beginning balance (in shares) at Dec. 26, 2021				15,109,747	1,270,805					3,221,471
Beginning balance, value at Dec. 26, 2021		(21,655)	(24,837)			2	0	(24,839)	55,661		0	55,661		(52,479)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		$ (55,380)												(55,380)
Issuance of common stock through exercise of warrants (in shares)		31,399		31,399
Issuance of common stock through exercise of warrants		$ 117	90					90	27			27
Share-based compensation (in shares)				160,000
Share-based compensation		6,116	6,116					6,116
Dividends paid on common stock		(6,585)	(6,585)					(6,585)
Issuance of common stock in lieu of cash - director fees (in shares)				4,761
Dividends paid on Series B preferred stock		(4,975)							(4,975)			(4,975)
Exercise of Series B preferred stock put option		(4,107)							(4,107)			(4,107)
Ending balance (in shares) at Sep. 25, 2022				15,305,907	1,270,805					3,221,471
Ending balance, value at Sep. 25, 2022		(86,469)	(25,216)			2	0	(25,218)	46,606		0	46,606		(107,859)
Beginning balance (in shares) at Jun. 26, 2022				15,131,597	1,270,805					3,221,471
Beginning balance, value at Jun. 26, 2022		(61,123)	(24,960)			2	0	(24,962)	48,259		0	48,259		(84,422)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		(23,437)												(23,437)
Issuance of common stock through exercise of warrants (in shares)				9,549
Issuance of common stock through exercise of warrants		34	26					26	8			8
Share-based compensation (in shares)				160,000
Share-based compensation		2,040	2,040					2,040
Dividends paid on common stock		(2,322)	(2,322)					(2,322)
Issuance of common stock in lieu of cash - director fees (in shares)				4,761
Dividends paid on Series B preferred stock		(1,661)							(1,661)			(1,661)
Ending balance (in shares) at Sep. 25, 2022				15,305,907	1,270,805					3,221,471
Ending balance, value at Sep. 25, 2022		$ (86,469)	$ (25,216)			$ 2	$ 0	$ (25,218)	$ 46,606		$ 0	$ 46,606		$ (107,859)

[1] (1) Excludes 3,089,245 shares of preferred stock classified as redeemable preferred stock as of September 26, 2021.