2. STOCK-BASED COMPENSATION (Details 3) - Outstanding Options Stock Option Transactions - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Nov. 30, 2017	Aug. 31, 2017
Options Outstanding, Beginning (in thousands)	3,109	3,074
Options granted (in thousands)	41	224
Options cancelled (in thousands)	0	0
Options exercised (in thousand)	(132)	(189)
Options Outstanding, Ending (in thousands)	3,018	3,109
Weighted Average Exercise Price Outstanding, Beginning	$ 1.92	$ 1.73
Weighted Average Exercise Price Granted	3.46	3.93
Weighted Average Exercise Price Cancelled	0.00	0.00
Weighted Average Exercise Price Exercised	1.46	1.23
Weighted Average Exercise Price Outstanding, Ending	$ 1.96	$ 1.92
Aggregate Intrinsic Value, beginning balance	$ 4,612	$ 8,763
Aggregate Intrinsic Value, ending balance	$ 2,230	$ 4,612
Options fully vested and expected to vest, ending (in thousands)	2,984
Weighted Average Exercise Price for Options fully vested and expected to vest, ending	$ 1.95
Aggregate Intrinsic Value for Options fully vested and expected to vest, ending	$ 2,220