Note 4. Stock-based Compensation

6 Months Ended

Oct. 29, 2011

Disclosure of Compensation Related Costs, Share-based Payments [Text Block]

4.  STOCK-BASED COMPENSATION

During the six months ended October 29, 2011, options to purchase 3,000 shares of common stock were granted (weighted average exercise price of $6.14 per share), options to purchase 46,100 shares were exercised (weighted average exercise price of $1.90 per share), and options to purchase 12,660 shares were cancelled (weighted average exercise price of $9.34 per share).  At October 29, 2011, options to purchase 545,860 shares (weighted average exercise price of $7.74 per share) were outstanding and stock-based awards to purchase 2,960,944 shares of common stock were available for grant.