Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 29, 2021	Jun. 30, 2020	Jun. 29, 2021	Jun. 30, 2020
NET REVENUES:
Total net revenues	$ 33,946	$ 24,357	$ 90,434	$ 81,353
RESTAURANT OPERATING COSTS:
Food and packaging costs	9,989	7,046	26,037	24,249
Payroll and other employee benefit costs	11,261	7,397	29,787	29,297
Restaurant occupancy costs	2,183	2,089	6,533	6,739
Other restaurant operating costs	3,730	2,840	10,841	8,799
Preopening costs	301	31	420	992
Depreciation and amortization	938	983	2,797	3,175
Total restaurant operating costs	28,402	20,386	76,415	73,251
General and administrative costs	2,505	1,683	7,097	5,324
Advertising costs	597	515	1,616	1,571
Franchise costs	5	6	22	14
Impairment of goodwill				10,000
Impairment of long-lived assets		932		5,291
Gain on restaurant asset sale	(9)	(8)	(28)	(36)
INCOME (LOSS) FROM OPERATIONS:	2,446	843	5,312	(14,062)
Other income (expense):
Interest expense, net	(66)	(202)	(244)	(638)
Gain on debt extinguishment	11,778		11,778
Total other income (expense), net	11,712	(202)	11,534	(638)
NET INCOME (LOSS):	14,158	641	16,846	(14,700)
Income attributable to non-controlling interests	(524)	(352)	(1,313)	(738)
NET INCOME (LOSS) ATTRIBUTABLE TO COMMON SHAREHOLDERS	$ 13,634	$ 289	$ 15,533	$ (15,438)
NET INCOME (LOSS) PER SHARE, ATTRIBUTABLE TO COMMON SHAREHOLDERS:
Basic	$ 1.07	$ 0.02	$ 1.22	$ (1.23)
Diluted	$ 1.04	$ 0.02	$ 1.21	$ (1.23)
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING:
Basic	12,787,390	12,591,079	12,689,587	12,593,137
Diluted	13,076,635	12,696,028	12,793,915	12,593,137
Restaurant sales [Member]
NET REVENUES:
Total net revenues	$ 33,701	$ 24,190	$ 89,777	$ 80,781
Franchise revenues [Member]
NET REVENUES:
Total net revenues	$ 245	$ 167	$ 657	$ 572