5. FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables)

3 Months Ended

Aug. 31, 2019

Fair Value Disclosures [Abstract]

Fair value by hierarchy

    The following table summarizes the Company’s financial assets measured at fair value on a recurring basis as of August 31, 2019 (in thousands):

	Balance as of
	August 31, 2019		Level 1		Level 2		Level 3
Money market funds	$	2,029	$	2,029	$	--	$	--
Assets	$	2,029	$	2,029	$	--	$	--

    The following table summarizes the Company’s financial assets measured at fair value on a recurring basis as of May 31, 2019 (in thousands):

	Balance as of May 31, 2019		Level 1		Level 2		Level 3
Money market funds	$	3,017	$	3,017	$	--	$	--
Assets	$	3,017	$	3,017	$	--	$	--