SEGMENT AND GEOGRAPHIC INFORMATION (Details Narrative) $ in Thousands	12 Months Ended
	May 27, 2017 USD ($) Segment	May 28, 2016 USD ($)	May 30, 2015 USD ($)
Number of reportable segments | Segment	3
Capital expenditures	$ 5,221	$ 4,813	$ 4,737
Long-lived assets	19,300	16,800
Depreciation and amortization	2,740	2,381	1,707
Foreign [Member]
Long-lived assets	1,200	1,300
Depreciation and amortization	300	300	$ 300
Healthcare [Member]
Capital expenditures	$ 3,400	$ 2,900