Note 8 - Subsequent Events	9 Months Ended
Jan. 30, 2021
Notes to Financial Statements
Subsequent Events [Text Block]	8. SUBSEQUENT EVENTS On February 5, 2021, the Company's board of directors declared a one-for-one stock split in the form of a stock dividend. This dividend was distributed on February 19, 2021 to shareholders of record on February 16, 2021. Share information and earnings per share have been retroactively adjusted to reflect the stock split.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

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