4. FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables)

9 Months Ended

Feb. 29, 2016

Fair Value Disclosures [Abstract]

Fair Value by Hierarchy

The following table summarizes the Company’s financial assets and liabilities measured at fair value on a recurring basis as of February 29, 2016 (in thousands):

	Balance as of
	February 29, 2016		Level 1		Level 2		Level 3
Money market funds	$	451	$	451	$	--	$	--
Certificate of deposit		50		--		50		--
Assets	$	501	$	451	$	50	$	--
Liabilities	$	--	$	--	$	--	$	--

    The following table summarizes the Company’s financial assets and liabilities measured at fair value on a recurring basis as of May 31, 2015 (in thousands):

	Balance as of
	May 31, 2015		Level 1		Level 2		Level 3
Money market funds	$	4,650	$	4,650	$	--	$	--
Certificate of deposit		50		--		50		--
Assets	$	4,700	$	4,650	$	50	$	--
Liabilities	$	--	$	--	$	--	$	--