INVESTMENTS (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
Feb. 28, 2021	Aug. 31, 2020
Investment Income [Table]
Short term investment, amortized cost	$ 75,367	$ 66,804
Gross unrealized gains	0	0
Gross unrealized loss	(65)	(61)
Short term investment, fair value	75,302	66,743
Commercial Paper [Member]
Investment Income [Table]
Short term investment, amortized cost	75,367	66,804
Gross unrealized gains	0	0
Gross unrealized loss	(65)	(61)
Short term investment, fair value	$ 75,302	$ 66,743

Amount of unrealized gain before deducting unrealized loss on investments in debt and equity securities classified as available-for-sale securities.

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