REVENUE FROM CONTRACTS WITH CUSTOMERS (Tables)

9 Months Ended

Sep. 27, 2023

Disaggregation of Revenue [Line Items]

Schedule of disaggregation of Revenue

	Thirteen Weeks Ended				Thirty-Nine Weeks Ended
	September 27, 2023		September 28, 2022			September 27, 2023		September 28, 2022
Core Market(1):
Company-operated restaurant revenue	$	97,966	$	98,732	$	289,534	$	289,798
Franchise revenue		5,021		4,501		14,454		13,559
Franchise advertising fee revenue		3,456		3,336		10,098		10,008
Total core market	$	106,443	$	106,569	$	314,086	$	313,365
Non-Core Market(2):
Company-operated restaurant revenue	$	4,737	$	4,442	$	14,943	$	13,787
Franchise revenue		5,234		5,042		15,592		15,303
Franchise advertising fee revenue		3,985		3,825		11,796		11,582
Total non-core market	$	13,956	$	13,309	$	42,331	$	40,672
Total revenue	$	120,399	$	119,878	$	356,417	$	354,037

(1) Core Market includes markets with existing company-operated restaurants at the time of the Company’s IPO on July 28, 2014.

(2) Non-Core Market includes markets entered into by the Company subsequent to the IPO date.

Schedule of revenues disaggregated by geographic market

	Thirteen Weeks Ended				Thirty-Nine Weeks Ended
	September 27, 2023		September 28, 2022		September 27, 2023		September 28, 2022
Greater Los Angeles area market	71.6	%	71.9	%	71.1	%	71.2	%
Other markets	28.4	%	28.1	%	28.9	%	28.8	%
Total	100	%	100	%	100	%	100	%

Schedule of Estimated Revenue to be Recognized Related to Performance Obligations

The following table illustrates the estimated revenue to be recognized in future periods related to performance obligations under the applicable contracts that are unsatisfied as of September 27, 2023 (in thousands):

Franchise revenues:
2023	$	157
2024		597
2025		551
2026		529
2027		508
Thereafter		4,841
Total	$	7,183

Loyalty reward program

Disaggregation of Revenue [Line Items]

Schedule of Change in Franchise Contract Liability Balances

Changes in the loyalty rewards program liability included in deferred revenue within other accrued expenses and current liabilities on the condensed consolidated balance sheets were as follows (in thousands):

	September 27, 2023		December 28, 2022
Loyalty rewards liability, beginning balance	$	526	$	687
Revenue deferred		1,571		2,754
Revenue recognized		(1,464)		(2,915)
Loyalty rewards liability, ending balance	$	633	$	526

Gift card liability

Disaggregation of Revenue [Line Items]

Schedule of Change in Franchise Contract Liability Balances

The gift card liability included in other accrued expenses and current liabilities on the condensed consolidated balance sheets was as follows (in thousands):

	September 27, 2023		December 28, 2022
Gift card liability	$	4,047	$	4,667

Revenue recognized from the redemption of gift cards that was included in other accrued expenses and current liabilities at the beginning of the year was as follows (in thousands):

	Thirteen Weeks Ended				Thirty-Nine Weeks Ended
	September 27, 2023		September 28, 2022		September 27, 2023		September 28, 2022
Revenue recognized from gift card liability balance at the beginning of the year	$	205	$	237	$	817	$	967

Franchise revenue

Disaggregation of Revenue [Line Items]

Schedule of Change in Franchise Contract Liability Balances

The following table provides information about the change in the franchise contract liability balances during the thirty-nine weeks ended September 27, 2023 and September 28, 2022 (in thousands):

December 28, 2022	$	6,377
Revenue recognized - beginning balance		(545)
Additional contract liability		1,351
September 27, 2023	$	7,183
December 29, 2021	$	6,328
Revenue recognized - beginning balance		(558)
Additional contract liability		618
September 28, 2022	$	6,388