2. STOCK-BASED COMPENSATION - Option Activity (Details 3) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Feb. 28, 2014	Nov. 30, 2013	Aug. 31, 2013
Stock-Based Compensation - Option Activity Details 3
Available Shares, Beginning (in thousands)	1,221	1,197	1,737
Options granted (in thousands)		(107)	(725)
Options terminated (in thousands)		131	289
Plan shares expired (in thousands)			(104)
Available Shares, Ending (in thousands)	1,221	1,221	1,197
Options Outstanding, Beginning (in thousands)	3,150	3,323	2,956
Options Granted (in thousands)		107	725
Options terminated (in thousands)		(131)	(289)
Plan shares expired (in thousands)			0
Plan options exercised (in thousands)	(85)	(149)	(69)
Number of Options Outstanding, Ending (in thousands)	3,065	3,150	3,323
Weighted Average Exercise Price Outstanding, Beginning	$ 1.25	$ 1.27	$ 1.79
Weighted Average Exercise Price Granted		$ 2.68	$ 1.38
Weighted Average Exercise Price Terminated		$ 2.26	$ 6.99
Weighted Average Exercise Price Exercised	$ 0.93	$ 1.71	$ 0.86
Weighted Average Exercise Price Outstanding, Ending	$ 1.26	$ 1.25	$ 1.27
Aggregate Intrinsic Value, beginning balance	$ 4,968	$ 1,301	$ 964
Aggregate Intrinsic Value, ending balance	3,370	4,968	1,301
Options fully vested and expected to vest at February 28, 2014 (in thousands)	3,004
Options exercisable at February 28, 2014 (in thousands)	1,852
Weighted Average Exercise Price for Options fully vested and expected to vest at February 28, 2014	$ 1.26
Weighted Average Exercise Price for Options exercisable at February 28, 2014	$ 1.21
Aggregate Intrinsic Value for Options fully vested and expected to vest at February 28, 2014	3,303
Options exercisable at February 28, 2014 Aggregate intrinsic value	$ 2,051