Note 4 - Stock-based Compensation	9 Months Ended
Jan. 30, 2021
Notes to Financial Statements
Share-based Payment Arrangement [Text Block]	4. STOCK-BASED COMPENSATION During the nine months ended January 30, 2021, options to purchase 263,500 shares of common stock were granted, options to purchase 67,690 shares were exercised and options to purchase 15,000 shares were cancelled at weighted average exercise prices of $23.47, $7.02 and $2.84 respectively. At January 30, 2021, options to purchase 569,900 shares of common stock at a weighted average exercise price of $14.61 per share were outstanding and stock-based awards to purchase 5,353,604 shares of common stock were available for grant.

Note 4 - Stock-based Compensation

9 Months Ended

Jan. 30, 2021

Share-based Payment Arrangement [Text Block]

4. STOCK-BASED COMPENSATION

During the nine months ended January 30, 2021, options to purchase 263,500 shares of common stock were granted, options to purchase 67,690 shares were exercised and options to purchase 15,000 shares were cancelled at weighted average exercise prices of $23.47, $7.02 and $2.84 respectively. At January 30, 2021, options to purchase 569,900 shares of common stock at a weighted average exercise price of $14.61 per share were outstanding and stock-based awards to purchase 5,353,604 shares of common stock were available for grant.