Note 4 - Stock-based Compensation	9 Months Ended
Jan. 25, 2020
Notes to Financial Statements
Share-based Payment Arrangement [Text Block]	4. STOCK-BASED COMPENSATION During the nine months ended January 25, 2020, options to purchase 76,800 shares were exercised (weighted average exercise price of $5.27 per share). At January 25, 2020, options to purchase 245,645 shares (weighted average exercise price of $12.50 per share) were outstanding and stock-based awards to purchase 2,798,252 shares of common stock were available for grant. 9 Table of Contents

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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