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Note 5 - Stock-Based Compensation
 3 Months Ended
Aug. 28, 2011
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]
5. 
Stock-Based Compensation

In the three months ended August 28, 2011, the Company recognized stock-based compensation expense of $441,000 or $0.02 per basic and diluted share, which included $202,000 for restricted stock unit awards and $239,000 for stock option grants.  In the three months ended August 29, 2010, the Company recognized stock-based compensation expense of $506,000 or $0.02 per basic and diluted share, which included $244,000 for restricted stock unit awards and $262,000 for stock option grants.

The following table summarizes the stock-based compensation by income statement line item:

   
Three Months Ended
August 28, 2011
   
Three Months Ended
August 29, 2010
 
Research and development
  $ 124,000     $ 146,000  
Sales, general and administrative
    317,000       360,000  
Total stock-based compensation
  $ 441,000     $ 506,000  

As of August 28, 2011, there was $2.6 million of total unrecognized compensation expense related to unvested equity compensation awards granted under the Landec incentive stock plans.  Total expense is expected to be recognized over the weighted-average period of 1.7 years for stock options and 1.6 years for restricted stock unit awards.