Note B - Summary of Significant Accounting Policies - The Company's Revenues (Details) - USD ($) $ in Thousands	12 Months Ended
Mar. 27, 2022	Mar. 28, 2021
Revenues	$ 114,882	$ 75,839
UNITED STATES
Revenues	111,659	74,737
Non-US [Member]
Revenues	$ 3,223	$ 1,102

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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+ Details