Note 3 - Stock-based Compensation (Tables)

6 Months Ended

Nov. 27, 2016

Notes Tables

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

	Three Months Ended				Six Months Ended
	November 27, 2016		November 29, 2015		November 27, 2016		November 29, 2015
Options	$	307	$	360	$	599	$	690
RSUs		659		540		1,174		1,007
Total stock-based compensation	$	966	$	900	$	1,773	$	1,697

	Three Months Ended				Six Months Ended
	November 27, 2016		November 29, 2015		November 27, 2016		November 29, 2015
Cost of sales	$	124	$	100	$	237	$	198
Research and development		23		23		46		45
Selling, general and administrative		819		777		1,490		1,454
Total stock-based compensation	$	966	$	900	$	1,773	$	1,697