XML 84 R23.htm IDEA: XBRL DOCUMENT v2.4.0.8
Note 6 - Stock-Based Compensation (Tables)
3 Months Ended
Aug. 25, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]
   

Three Months

 Ended

August 25, 2013

   

Three Months

Ended

August 26, 2012

 

Research and development

  $ 14,000     $ 110,000  

Sales, general and administrative

    264,000       238,000  

Total stock-based compensation

  $ 278,000     $ 348,000