Note 4 - Inventory (Tables)

9 Months Ended

Aug. 31, 2013

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

	August 31, 2013			November 30, 2012
Raw materials	$	9,738,444		$	8,466,060
Work in process		310,240			632,969
Finished goods		6,547,618			7,694,528
	$	16,596,302		$	16,793,557
Less: Reserves		(2,901,466	)		(2,466,075	)
	$	13,694,836		$	14,327,482