Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 26, 2024	Mar. 28, 2023	Mar. 26, 2024	Mar. 28, 2023
NET REVENUES:
Total net revenues	$ 35,438	$ 34,785	$ 68,570	$ 68,179
RESTAURANT OPERATING COSTS:
Food and packaging costs	10,599	10,655	20,926	21,262
Payroll and other employee benefit costs	12,266	11,989	23,890	23,537
Restaurant occupancy costs	2,613	2,428	5,118	4,886
Other restaurant operating costs	5,105	4,826	9,833	9,318
Preopening costs	0	30	0	30
Depreciation and amortization	926	911	1,853	1,821
Total restaurant operating costs	31,509	30,839	61,620	60,854
General and administrative costs	2,554	2,297	4,867	4,675
Advertising costs	824	778	1,916	1,672
Impairment of long-lived assets	0	76	0	76
Loss (gain) on restaurant and equipment asset sales	4	(22)	(6)	(22)
Litigation contingencies	(97)	0	(97)	0
INCOME FROM OPERATIONS:	644	817	270	924
Interest and other expense, net	(42)	(26)	(74)	(38)
NET INCOME BEFORE INCOME TAXES:	602	791	196	886
Provision for income taxes	78	9,952	1	9,952
NET INCOME:	680	10,743	197	10,838
Income attributable to non-controlling interests	(62)	(122)	(135)	(344)
NET INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS	$ 618	$ 10,621	$ 62	$ 10,494
NET INCOME PER SHARE, ATTRIBUTABLE TO COMMON SHAREHOLDERS:
Basic (in dollars per share)	$ 0.06	$ 0.9	$ 0.01	$ 0.88
Diluted (in dollars per share)	$ 0.06	$ 0.89	$ 0.01	$ 0.88
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING:
Basic (in shares)	11,136,207	11,818,651	11,256,893	11,930,140
Diluted (in shares)	11,230,717	11,884,123	11,352,592	11,985,254
Service [Member]
NET REVENUES:
Total net revenues	$ 35,265	$ 34,568	$ 68,211	$ 67,747
Franchise [Member]
NET REVENUES:
Total net revenues	$ 173	$ 217	$ 359	$ 432