Note R - Leases (Details Textual) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Sep. 26, 2021	Sep. 27, 2020	Sep. 26, 2021	Sep. 27, 2020	Mar. 28, 2021
Operating Lease, Cost	$ 413	$ 396	$ 845	$ 811
Operating Lease Payments, Net Sublease Income			890
Operating Lease, Liability, Current	1,846		1,846		$ 1,837
Operating Lease, Liability, Noncurrent	6,867		6,867		$ 7,553
Restaurant Operating Expense [Member]
Operating Lease, Cost	770	614	1,470	1,194
General and Administrative Expense [Member]
Operating Lease, Cost	167	159	341	332
Other Income [Member]
Operating Lease, Cost	$ 5	$ 22	$ 21	$ 22

The amount of cash outflow for operating leases, net cash inflow for sublease income.

No definition available.

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- Definition

Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 55
-Paragraph 53
-URI http://asc.fasb.org/extlink&oid=123414884&loc=SL77918982-209971

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980

+ Details

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- Definition

Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977

+ Details

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- Definition

Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.

+ References

+ Details

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- Details

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- Details

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- Details

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