XML 44 R32.htm IDEA: XBRL DOCUMENT v3.5.0.2
Note 3 - Stock-Based Compensation - Summary of Stock-based Compensation by Income Statement Line Item (Details) - USD ($)
$ in Thousands
3 Months Ended
Aug. 28, 2016
Aug. 30, 2015
Employee Stock Option [Member]    
Stock-based Compensation Expense $ 291 $ 330
Restricted Stock Units (RSUs) [Member]    
Stock-based Compensation Expense 516 467
Cost of Sales [Member]    
Stock-based Compensation Expense 113 98
Research and Development Expense [Member]    
Stock-based Compensation Expense 23 22
Selling, General and Administrative Expenses [Member]    
Stock-based Compensation Expense 671 677
Stock-based Compensation Expense $ 807 $ 797