Note 4 - Inventory (Tables)

6 Months Ended

May 31, 2014

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

	May 31, 2014			November 30, 2013
Raw materials	$	10,471,139		$	10,322,014
Work in process		478,117			511,016
Finished goods		8,346,187			7,305,301
	$	19,295,443		$	18,138,331
Less: Reserves		(3,427,158	)		(3,215,806	)
	$	15,868,285		$	14,922,525