2. STOCK-BASED COMPENSATION - Option Activity (Details 3) - Outstanding Options Stock Option Transactions - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Nov. 30, 2016	Aug. 31, 2016
Options Outstanding, Beginning (in thousands)	3,382	3,201
Options granted (in thousands)	50	318
Options cancelled (in thousands)	(1)	(46)
Options exercised (in thousand)	(202)	(91)
Options Outstanding, Ending (in thousands)	3,229	3,382
Weighted Average Exercise Price Outstanding, Beginning	$ 1.67	$ 1.66
Weighted Average Exercise Price Granted	2.81	1.68
Weighted Average Exercise Price Cancelled	2.08	1.40
Weighted Average Exercise Price Exercised	1.22	1.32
Weighted Average Exercise Price Outstanding, Ending	$ 1.72	$ 1.67
Aggregate Intrinsic Value, beginning balance	$ 2,694	$ 189
Aggregate Intrinsic Value, ending balance	$ 4,099	$ 2,694
Options fully vested and expected to vest, ending (in thousands)	3,185
Weighted Average Exercise Price for Options fully vested and expected to vest, ending	$ 1.72
Aggregate Intrinsic Value for Options fully vested and expected to vest, ending	$ 4,058