Note C - Revenues - Revenues by Geographical Market (Details) - USD ($) $ in Thousands	3 Months Ended
Jun. 26, 2022	Jun. 27, 2021
Revenues	$ 39,720	$ 31,319
UNITED STATES
Revenues	37,917	30,601
Non-US [Member]
Revenues	$ 1,803	$ 718

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
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 7: http://www.xbrl.org/2003/role/disclosureRef
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+ Details