Note 4 - Inventory (Details) - Major Classes Of Inventory (USD $)	Feb. 28, 2014	Nov. 30, 2013
Major Classes Of Inventory [Abstract]
Raw materials	$ 11,506,097	$ 10,322,014
Work in process	385,816	511,016
Finished goods	7,352,606	7,305,301
	19,244,519	18,138,331
Less: Reserves	(3,323,806)	(3,215,806)
	$ 15,920,713	$ 14,922,525