STOCKHOLDERS' EQUITY (Details) (USD $)	3 Months Ended	6 Months Ended							3 Months Ended		6 Months Ended									1 Months Ended			6 Months Ended
	May 31, 2013	May 31, 2013	May 31, 2013 Options 2002	May 31, 2013 Options 2002	May 31, 2013 Options 2003	May 31, 2013 Options 2004	May 31, 2013 Options 2005	May 31, 2013 Options 2006	May 31, 2013 Restricted stock and RSUs	May 31, 2012 Restricted stock and RSUs	May 31, 2013 Restricted stock and RSUs	May 31, 2012 Restricted stock and RSUs	May 31, 2013 Restricted stock and RSUs 2007	May 31, 2013 Restricted stock and RSUs 2008	May 31, 2013 Restricted stock and RSUs 2009	May 31, 2013 Restricted stock and RSUs 2010	May 31, 2013 Restricted stock and RSUs 2012	May 31, 2013 RSUs	May 31, 2012 RSUs	Oct. 31, 2011 Restated Plan	May 31, 2013 Restated Plan	May 31, 2013 Restated Plan RSUs	May 31, 2013 2000 Director Plan
Stock Incentive Plans
Number of shares available for issuance																					3,416,942
Number of shares of common stock authorized for issuance																				6,825,000
Maximum number of shares that can be awarded to any employee in one year																				1,250,000
Exercise period																				10 years
Right to receive a specified number of shares of common stock for each unit on vesting date																						1
Stock based compensation expense recognized	$ 455,000	$ 904,000
Granted as of:
Number of options (in shares)			40,000	31,496	30,768	320,000	300,000	450,000															0
Exercise price (in dollars per share)			$ 1.00	$ 1.27	$ 1.30	$ 1.58	$ 5.91	$ 1.02
Number of restricted shares issued									0	38,889	631,059	2,272,176	320,000	473,455	371,436	131,828	617,449	631,059	1,601,395