12. STOCK-BASED COMPENSATION (Details 3) - Outstanding Options Stock Option Transactions - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Nov. 30, 2019	Aug. 31, 2019
Options outstanding, beginning (in thousands)	3,434	3,107
Options granted (in thousands)	58	527
Options cancelled (in thousands)	(280)	(151)
Options exercised (in thousand)	(85)	(49)
Options outstanding, ending (in thousands)	3,127	3,434
Weighted average exercise price outstanding, beginning	$ 2.16	$ 2.20
Weighted average exercise price granted	1.77	1.64
Weighted average exercise price cancelled	2.19	1.50
Weighted average exercise price exercised	1.06	1.27
Weighted average exercise price outstanding, ending	$ 2.18	$ 2.16
Aggregate intrinsic value, beginning balance	$ 41	$ 282
Aggregate intrinsic value, ending balance	$ 358	$ 41
Options fully vested and expected to vest, ending (in thousands)	3,091
Weighted average exercise price for options fully vested and expected to vest, ending	$ 2.18
Aggregate intrinsic value for options fully vested and expected to vest, ending	$ 354