Income Taxes (Details) (USD $)	Nov. 30, 2012	Nov. 30, 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	$ 0	$ 0

- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from deferred income.

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- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

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- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences not separately disclosed.

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- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation.

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- Definition

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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