2. STOCK-BASED COMPENSATION - Option Activity (Details 3) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Feb. 28, 2015	Nov. 30, 2014	Aug. 31, 2014
Number of Options Outstanding, Ending (in thousands)	3,402
Weighted Average Exercise Price Outstanding, Ending	$ 1.61
Options exercisable shares, ending (in thousands)	2,098
Weighted Average Exercise Price for Options exercisable, ending	$ 1.43
Aggregate Intrinsic Value for Options exercisable, ending	$ 2,551
Stock Options
Available Shares, Beginning (in thousands)	1,259	529	1,145
Options granted (in thousands)	(35)	(140)	(625)
Options terminated (in thousands)	24	10	9
Additional shares reserved (in thousands)		860
Available Shares, Ending (in thousands)	1,248	1,259	529
Options Outstanding, Beginning (in thousands)	3,418	3,323	3,002
Options Granted (in thousands)	35	140	625
Options terminated (in thousands)	(24)	(10)	(9)
Options exercised (in thousands)	(27)	(35)	(295)
Number of Options Outstanding, Ending (in thousands)	3,402	3,418	3,323
Weighted Average Exercise Price Outstanding, Beginning	$ 1.61	$ 1.59	$ 1.31
Weighted Average Exercise Price Granted	$ 2.54	$ 2.06	$ 2.65
Weighted Average Exercise Price Terminated	$ 2.06	$ 1.74	$ 1.27
Weighted Average Exercise Price Exercised	$ 1.56	$ 1.62	$ 1.07
Weighted Average Exercise Price Outstanding, Ending	$ 1.61	$ 1.61	$ 1.59
Aggregate Intrinsic Value, beginning balance	3,657	3,277	2,913
Aggregate Intrinsic Value, ending balance	3,534	3,657	3,277
Options fully vested and expected to vest, ending (in thousands)	3,334
Options exercisable shares, ending (in thousands)	2,098
Weighted Average Exercise Price for Options fully vested and expected to vest, ending	$ 1.61
Weighted Average Exercise Price for Options exercisable, ending	$ 1.43
Aggregate Intrinsic Value for Options fully vested and expected to vest, ending	3,463
Aggregate Intrinsic Value for Options exercisable, ending	$ 2,551