Note 4 - Stock-based Compensation	6 Months Ended
Oct. 30, 2021
Notes to Financial Statements
Share-based Payment Arrangement [Text Block]	4. STOCK-BASED COMPENSATION During the six months ended October 30, 2021, options to purchase 30,000 shares were granted and options to purchase 20,500 shares were exercised at weighted average exercise prices of $44.73 and $5.90, respectively. At October 30, 2021, options to purchase 570,600 shares at a weighted average exercise price of $19.47 per share were outstanding and stock-based awards to purchase 5,369,004 shares of common stock were available for grant.

The entire disclosure for share-based payment arrangement.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-URI http://asc.fasb.org/topic&trid=2228938

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