STOCKHOLDERS' EQUITY (Details 4) (USD $)	3 Months Ended		6 Months Ended
	May 31, 2014	May 31, 2013	May 31, 2014	May 31, 2013
Restricted stock and RSUs
Total Shares
Outstanding at the beginning of the period (in shares)			2,616,128	3,557,841
Granted (in shares)			650,363	1,051,941
Issued (in shares)	(58,914)	(87,247)	(803,010)	(977,918)
Cancelled (in shares)			(187,888)	(239,011)
Forfeited (in shares)			(10,715)	(3,031)
Outstanding at the end of the period (in shares)	2,264,878	3,389,822	2,264,878	3,389,822
Shares withdrawn, cancelled or forfeited in period		10,111
Restricted Shares
Total Shares
Outstanding at the beginning of the period (in shares)			954,798	844,236
Granted (in shares)			288,121	420,882
Issued (in shares)			(450,616)	(310,320)
Outstanding at the end of the period (in shares)	792,303	954,798	792,303	954,798
Shares withdrawn, cancelled or forfeited in period			194,901
Weighted-Average Grant-Date Fair Value
Outstanding at the beginning of the period (in dollars per share)			$ 0.90	$ 0.85
Granted (in dollars per share)			$ 1.49	$ 1.02
Issued (in dollars per share)			$ 0.95	$ 0.92
Outstanding at the end of the period (in dollars per share)	$ 1.08	$ 0.90	$ 1.08	$ 0.90
Restricted Stock Units
Total Shares
Outstanding at the beginning of the period (in shares)			1,661,330	2,713,605
Granted (in shares)			362,242	631,059
Issued (in shares)			(352,394)	(667,598)
Cancelled (in shares)			(187,888)	(239,011)
Forfeited (in shares)			(10,715)	(3,031)
Outstanding at the end of the period (in shares)	1,472,575	2,435,024	1,472,575	2,435,024
Shares withdrawn, cancelled or forfeited in period	13,837		198,603	242,042
Weighted-Average Grant-Date Fair Value
Outstanding at the beginning of the period (in dollars per share)			$ 0.93	$ 0.89
Granted (in dollars per share)			$ 1.49	$ 1.02
Issued (in dollars per share)			$ 1.06	$ 0.81
Cancelled (in dollars per share)			$ 0.98	$ 0.82
Forfeited (in dollars per share)			$ 0.70	$ 0.70
Outstanding at the end of the period (in dollars per share)	$ 1.04	$ 0.94	$ 1.04	$ 0.94