5. CASH, CASH EQUIVALENTS AND INVESTMENTS

6 Months Ended

Nov. 30, 2018

Cash and Cash Equivalents [Abstract]

5. CASH, CASH EQUIVALENTS AND INVESTMENTS

5. CASH, CASH EQUIVALENTS AND INVESTMENTS

The following table summarizes the Company’s cash, cash equivalents and investments by security type at November 30, 2018 (in thousands):

	Cost		Gross Unrealized Loss		Estimated Fair Value
Cash	$	1,961	$	--	$	1,961
Cash equivalents:
Money market funds		6,050		--		6,050
U.S. Treasury securities		5,991		--		5,991
Total Cash equivalents		12,041		--		12,041
Total Cash and Cash equivalents	$	14,002	$	--	$	14,002
Long-term investments:
Certificate of deposit	$	80	$	--	$	80
Total Cash, Cash equivalents and Investments	$	14,082	$	--	$	14,082

Long-term investments are included in other assets on the accompanying condensed consolidated balance sheet at November 30, 2018.

The following table summarizes the Company’s cash, cash equivalents and investments by security type at May 31, 2018 (in thousands):

	Cost		Gross Unrealized Loss		Estimated Fair Value
Cash	$	3,132	$	--	$	3,132
Cash equivalents:
Money market funds		7,733		--		7,733
U.S. Treasury securities		5,983		--		5,983
Total Cash equivalents		13,716		--		13,716
Total Cash and Cash equivalents	$	16,848	$	--	$	16,848
Long-term investments:
Certificate of deposit	$	80	$	--	$	80
Total Cash, Cash equivalents and Investments	$	16,928	$	--	$	16,928

Long-term investments are included in other assets on the accompanying consolidated balance sheet at May 31. 2018.

Unrealized gains and temporary losses on investments classified as available-for-sale are included within accumulated other comprehensive income (“AOCI”), net of any related tax effect. Upon realization, those amounts are reclassified from AOCI to results of operations.