Note 13 - Major Customers - Summary of Major Customers (Details) - Customer Concentration Risk [Member] - Revenue Benchmark [Member]	12 Months Ended
Apr. 03, 2022	Mar. 28, 2021
Wal-Mart Stores, Inc. [Member]
Sales, percent	52.00%	43.00%
Amazon.com, Inc. [Member]
Sales, percent	21.00%	25.00%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
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