STOCKHOLDERS' EQUITY (Details 3) (USD $)	6 Months Ended
	May 31, 2014	May 31, 2013
Stock option activity
Outstanding at the beginning of the period (in shares)	775,000	796,794
Exercised (in shares)		(21,794)
Outstanding at the end of the period (in shares)	775,000	775,000
Weighted average exercise price
Outstanding at the beginning of the period (in dollars per share)	$ 4.03	$ 3.96
Exercised (in dollars per share)		$ 1.30
Outstanding at the end of the period (in dollars per share)	$ 4.03	$ 4.03
Weighted average remaining contractual Life
Outstanding and exercisable at the end of the period	10 months 24 days	1 year 10 months 24 days
Aggregate Intrinsic Value
Outstanding and exercisable at the end of the period		$ 88,250
Unrecognized compensation cost
Unrecognized compensation cost related to nonvested share-based compensation arrangements	$ 1,988,000
Weighted-average period for recognition of unrecognized compensation cost	2 years