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CRITICAL ACCOUNTING POLICIES AND ESTIMATES (Details Narrative) - USD ($)
$ in Thousands
6 Months Ended
Dec. 02, 2017
May 27, 2017
Accounting Policies [Abstract]    
Finished goods $ 39,900 $ 36,000
Raw material 5,800 5,300
Work in progress 2,400 1,400
Inventory valuation reserves 3,600 $ 3,500
Severance expense 1,300  
Payment of severance benefits $ 300