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Note 6 - Stock-Based Compensation
 9 Months Ended
Feb. 24, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]
6.            Stock-Based Compensation

In the three and nine months ended February 24, 2013, the Company recognized stock-based compensation expense of $464,000 and $1,135,000, respectively, which included $230,000 and $528,000 for restricted stock unit awards and $234,000 and $607,000 for stock option grants, respectively.  In the three and nine months ended February 26, 2012, the Company recognized stock-based compensation expense of $429,000 and $1,314,000 respectively, which included $192,000 and $587,000 for restricted stock unit awards and $237,000 and $727,000 for stock option grants, respectively.

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

   
Three Months Ended
February 24, 2013
   
Three Months Ended
February 26, 2012
   
Nine Months Ended
February 24, 2013
   
Nine Months Ended
February 26, 2012
 
Research and development
  $ 251,000     $ 136,000     $ 465,000     $ 390,000  
Sales, general and administrative
  $ 213,000     $ 293,000     $ 670,000     $ 924,000  
Total stock-based compensation
  $ 464,000     $ 429,000     $ 1,135,000     $ 1,314,000  

As of February 24, 2013, there was $1.0 million of total unrecognized compensation expense related to unvested equity compensation awards granted under the Landec equity plans.  Total expense is expected to be recognized over the weighted-average period of 1.6 years for stock options and 1.3 years for restricted stock unit awards.