14. STOCK-BASED COMPENSATION (Details 4) - Outstanding Options Stock Option Transactions - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Nov. 30, 2020	Aug. 31, 2020
Options outstanding, beginning (in thousands)	3,017	3,153
Options granted (in thousands)	73	200
Options cancelled (in thousands)	(185)	(188)
Options exercised (in thousand)	(19)	(148)
Options outstanding, ending (in thousands)	2,886	3,017
Options fully vested and expected to vest (in thousands)	2,850
Weighted average exercise price outstanding, beginning	$ 2.19	$ 2.17
Weighted average exercise price granted	1.44	1.86
Weighted average exercise price cancelled	2.42	2.18
Weighted average exercise price exercised	1.67	1.30
Weighted average exercise price outstanding, ending	2.16	$ 2.19
Weighted average exercise price for options fully vested and expected to vest, ending	$ 2.16
Aggregate intrinsic value, beginning balance	$ 148	$ 102
Aggregate intrinsic value, ending balance	56	$ 148
Aggregate intrinsic value for options fully vested and expected to vest, ending	$ 54