INCOME TAXES (Details Narrative) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Feb. 25, 2017	Feb. 27, 2016	Feb. 25, 2017	Feb. 27, 2016	May 28, 2016
Income tax provision	$ (10)	$ 111	$ 820	$ 742
Effective income tax rate			13.70%	12.70%
Federal statutory tax rate			34.00%
Liability for uncertain tax positions related to continuing operations, excluding interest and penalties		$ 100		$ 100
Deferred tax liability, undistributed foreign earnings	5,300		$ 5,300
Foreign earnings			38,000
Cumulative earnings of foreign subsidiaries considered permanently invested	6,200		6,200
Deferred tax valuation allowance	$ 8,600		8,600		$ 5,900
Change in deferred tax asset - foreign tax credit			(3,600)
Change in deferred tax asset - Federal NOL			4,800
Change in deferred tax liability - Earning considered permanently reinvested			(1,200)
Chinese Entity [Member]
Cash dividend paid from subsidiary to parent			1,300
Withholding taxes paid for cash repatriation			100
Return of capital from subsidiary			$ 10,000