Consolidated Statements of Comprehensive Income (Loss) (Unaudited) (Parenthetical) (USD $)	3 Months Ended		9 Months Ended
	Aug. 31, 2011	Aug. 31, 2010	Aug. 31, 2011	Aug. 31, 2010
Other Comprehensive (Loss)
Unrealized holding gain (loss),net of deferred tax (expense) benefit	$ 56,323	$ (65,948)	$ 5,898	$ (16,534)