Note 4 - Stock-based Compensation	9 Months Ended
Jan. 29, 2022
Notes to Financial Statements
Share-based Payment Arrangement [Text Block]	4. STOCK-BASED COMPENSATION During the nine months ended January 29, 2022, options to purchase 30,000 shares of common stock were granted, options to purchase 32,700 shares were exercised and options to purchase 8,400 shares were cancelled at weighted average exercise prices of $44.73, $8.91 and $33.01, respectively. At January 29, 2022, options to purchase 550,000 shares of common stock at a weighted average exercise price of $19.35 per share were outstanding and stock-based awards to purchase 5,377,405 shares of common stock were available for grant.

Note 4 - Stock-based Compensation

9 Months Ended

Jan. 29, 2022

Share-based Payment Arrangement [Text Block]

4. STOCK-BASED COMPENSATION

During the nine months ended January 29, 2022, options to purchase 30,000 shares of common stock were granted, options to purchase 32,700 shares were exercised and options to purchase 8,400 shares were cancelled at weighted average exercise prices of $44.73, $8.91 and $33.01, respectively. At January 29, 2022, options to purchase 550,000 shares of common stock at a weighted average exercise price of $19.35 per share were outstanding and stock-based awards to purchase 5,377,405 shares of common stock were available for grant.