CASH, CASH EQUIVALENTS AND INVESTMENTS (Tables)

6 Months Ended

Nov. 30, 2022

CASH, CASH EQUIVALENTS AND INVESTMENTS

Cash, cash equivalents and investments by security type

The following table summarizes the Company’s cash, cash equivalents and investments by security type at November 30, 2022 (in thousands):

	Cost		Gross Unrealized Loss		Estimated Fair Value
Cash	$	3,673	$	-	$	3,673
Cash equivalents:
Money market funds		11,228		-		11,228
U.S. treasury securities		3,973		-		3,973
Total cash equivalents		15,201		-		15,201
Total cash and cash equivalents	$	18,874	$	-	$	18,874
Short-term investments:
U.S. treasury securities	$	17,716	$	6	$	17,710
Long-term investments:
Money market funds	$	80		-	$	80
Total cash, cash equivalents and investments	$	36,670	$	6	$	36,664