Income Taxes (Tables)

12 Months Ended

Nov. 30, 2012

Income Tax Disclosure [Abstract]

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

The significant components of net deferred tax assets and liabilities were as follows at November 30, 2012 and 2011:

	2012			2011
Operating loss carry forwards	$	9,914,348		$	9,522,775
Stock-based compensation		473,598			481,606
Ideal Bio-Stent related intellectual property		179,858			194,151
Deferred revenue		219,223			238,951
Other		450			450
Valuation allowance		(10,787,477	)		(10,437,933	)
Net Deferred Tax Assets	$	-		$	-

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

A reconciliation of the expected income tax benefit at the U.S. Federal income tax rate to the income tax benefit actually recognized for the years ended November 30, 2012 and 2011 is set forth below:

	2012			2011
Benefit at federal statutory rate (34%)	$	(461,924	)	$	(663,707	)
State income tax benefit, net of federal tax		(85,608	)		(109,935	)
Change in fair value of derivative liability		(30,145	)		27,565
Expiration of operating loss carry forwards		88,404			212,641
Forfeiture of non-qualified stock options		138,540			-
Other differences		1,189			5,774
Change in valuation allowance		349,544			527,662
Benefit from Income Taxes	$	-		$	-