SEGMENT AND GEOGRAPHIC INFORMATION (Details Narrative) $ in Thousands	12 Months Ended
	Jun. 02, 2018 USD ($) Number	May 28, 2018 USD ($)	May 27, 2017 USD ($)	May 28, 2016 USD ($)
Number of reportable segments | Number	3
Capital expenditures	$ 5,239		$ 5,221	$ 4,813
Long-lived assets	21,200		19,300
Depreciation and amortization	2,993		2,740	$ 2,381
Foreign [Member]
Long-lived assets	1,000		1,200
Depreciation and amortization	300	$ 300	300
Healthcare [Member]
Capital expenditures	$ 1,900		$ 3,400