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Note 5 - Property, Plant, and Equipment (Detail) (USD $)	12 Months Ended
	Nov. 30, 2012	Nov. 30, 2011
Depreciation	$ 792,910	$ 720,169
Property Plant and Equipment [Member]
Depreciation	$ 668,970	$ 648,766

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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