CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Nov. 30, 2016	Nov. 30, 2015	Nov. 30, 2016	Nov. 30, 2015
COMPREHENSIVE INCOME (LOSS):
Net income (loss)	$ 2,576	$ (22)	$ 2,393	$ (196)
Other comprehensive income:
Foreign currency translation adjustment	56	49	51	55
Comprehensive income (loss)	$ 2,632	$ 27	$ 2,444	$ (141)