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Stock-Based Compensation Plans (Details) (Employees, Consultants and Outside Directors [Member], USD $)	3 Months Ended		6 Months Ended
	May 31, 2013	May 31, 2012	May 31, 2013	May 31, 2012
Employees, Consultants and Outside Directors [Member]
Stock Based Compensation Plans (Textual)
Stock based compensation expense	$ 6,000	$ 61,000	$ 13,000	$ 113,000
Unrecognized employee stock-compensation expense	$ 40,000		$ 40,000
Recognition period of previously granted unvested options			2 years

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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