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Note 3 - Stock-based Compensation (Tables)

9 Months Ended

Mar. 01, 2015

Notes Tables

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]

		Three Months Ended March 1 , 2015				Three Months Ended February 23 , 2014				Nine Months Ended March 1 , 2015				Nine Months Ended February 23 , 2014
Options		$	139,000			$	131,000			$	394,000			$	416,000
RSUs			252,000				222,000				745,000				576,000
Total stock-based compensation		$	391,000			$	353,000			$	1,139,000			$	992,000

		Three Months Ended March 1 , 2015				Three Months Ended February 23 , 2014				Nine Months Ended March 1 , 2015				Nine Months Ended February 23 , 2014
Research and development		$	8,000			$	14,000			$	28,000			$	28,000
Sales, general and administrative			383,000				339,000				1,111,000				964,000
Total stock-based compensation		$	391,000			$	353,000			$	1,139,000			$	992,000