INVENTORIES, NET (Tables)

12 Months Ended

Jan. 31, 2013

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

Inventories consist of the following at January 31:

	2013		2012
Raw materials	$	21,096,015	$	21,213,423
Work-in-process		1,812,788		1,790,510
Finished goods		16,361,872		22,664,422
	$	39,270,675	$	45,668,355