10. ACCUMULATED OTHER COMPREHENSIVE INCOME (Tables)

9 Months Ended

Feb. 28, 2018

Equity [Abstract]

Changes in the components of AOCI

    Changes in the components of AOCI, net of tax, were as follows (in thousands):

	Cumulative Translation Adjustments		Unrealized Loss on Investments, Net			Total
Balance at May 31, 2017	$	2,249	$	--		$	2,249
Other comprehensive income (loss) before reclassifications		98		(3	)		95
Amounts reclassified out of AOCI		--		--			--
Other comprehensive income (loss), net of tax		98		(3	)		95
Balance at February 28, 2018	$	2,347	$	(3	)	$	2,344