Note D - Revenues - Remaining Performance Obligations 2 (Details) $ in Thousands	Dec. 27, 2020 USD ($)
Revenue, Remaining Performance Obligation, Amount	$ 1,780
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-12-28
Revenue, Remaining Performance Obligation, Amount	58	[1]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-03-29
Revenue, Remaining Performance Obligation, Amount	223
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-03-28
Revenue, Remaining Performance Obligation, Amount	200
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-03-27
Revenue, Remaining Performance Obligation, Amount	188
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-04-01
Revenue, Remaining Performance Obligation, Amount	181
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-03-31
Revenue, Remaining Performance Obligation, Amount	$ 930

[1] Represents franchise fees expected to be recognized for the remainder of the 2021 fiscal year, which includes international development fees expected to be recognized over the duration of one year or less. Amount does not include $207,000 of franchise fee revenue recognized for the thirty-nine weeks ended December 27, 2020.