CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended
	Apr. 03, 2022	Apr. 04, 2021
Costs and expenses:
Impairment and other lease charges (recoveries)	$ (702)	$ (122)
Income (loss) from continuing operations before taxes	(1,523)	2,382
Provision for (benefit from) income taxes	(222)	3,077
Loss from continuing operations	(1,301)	(695)
Loss from discontinued operations, net of tax	(55)	(1,394)
Net loss	$ (1,356)	$ (2,089)
Earnings (loss) per common share:
Continuing operations - basic (usd per share)	$ (0.05)	$ (0.03)
Discontinued operations - basic (usd per share)	0	(0.05)
Basic (usd per share)	(0.05)	(0.08)
Continuing operations - diluted (usd per share)	(0.05)	(0.03)
Discontinued operations - diluted (usd per share)	0	(0.05)
Diluted (usd per share)	$ (0.05)	$ (0.08)
Weighted average common shares outstanding:
Basic (in shares)	24,832,541	25,324,213
Diluted (in shares)	24,832,541	25,324,213
Continuing Operations
Revenues:
Revenues	$ 95,609	$ 88,215
Costs and expenses:
Cost of sales	30,747	27,301
Restaurant wages and related expenses (including stock-based compensation expense of $7 and $16, respectively)	23,574	20,339
Restaurant rent expense	6,027	5,877
Other restaurant operating expenses	16,650	13,305
Advertising expense	2,864	2,375
General and administrative (including stock-based compensation expense of $623 and $994, respectively)	12,342	10,666
Depreciation and amortization	5,114	5,088
Impairment and other lease charges (recoveries)	(702)	(52)
Closed restaurant rent expense, net of sublease income	380	750
Other expense (income), net	51	123
Total operating expenses	97,047	85,772
Income (loss) from operations	(1,438)	2,443
Interest expense	85	61
Restaurant sales | Continuing Operations
Revenues:
Revenues	95,200	87,840
Franchise royalty revenues and fees | Continuing Operations
Revenues:
Revenues	$ 409	$ 375