Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Apr. 02, 2024	Apr. 04, 2023
Revenue:
Total revenue	$ 121,395	$ 126,077
Restaurant operating costs (exclusive of depreciation and amortization shown separately below):
Other restaurant operating costs	23,464	24,011
General and administrative	13,044	13,641
Depreciation and amortization	7,370	6,250
Pre-opening	437	492
Restaurant impairments, closure costs and asset disposals	1,229	1,569
Total costs and expenses	125,491	128,304
Loss from operations	(4,096)	(2,227)
Interest expense, net	1,979	961
Loss before taxes	(6,075)	(3,188)
Provision for (benefit from) income taxes	65	(73)
Net loss	$ (6,140)	$ (3,115)
Loss per Class A and Class B common stock, combined
Basic (USD per share)	$ (0.14)	$ (0.07)
Diluted (USD per share)	$ (0.14)	$ (0.07)
Weighted average shares of Class A and Class B common stock outstanding, combined:
Basic (in shares)	45,079,355	46,115,506
Diluted (in shares)	45,079,355	46,115,506
Restaurant revenue
Revenue:
Total revenue	$ 119,003	$ 123,227
Restaurant operating costs (exclusive of depreciation and amortization shown separately below):
Restaurant operating costs	29,701	31,025
Franchising royalties and fees, and other
Revenue:
Total revenue	2,392	2,850
Labor
Restaurant operating costs (exclusive of depreciation and amortization shown separately below):
Restaurant operating costs	38,417	39,830
Occupancy
Restaurant operating costs (exclusive of depreciation and amortization shown separately below):
Restaurant operating costs	$ 11,829	$ 11,486