Note B - Summary of Significant Accounting Policies - The Company's Revenues (Details) - USD ($) $ in Thousands	12 Months Ended
Mar. 29, 2020	Mar. 31, 2019
Revenues	$ 103,325	$ 101,849
UNITED STATES
Revenues	98,453	97,871
Non-US [Member]
Revenues	$ 4,872	$ 3,978

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
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+ Details