Inventories

9 Months Ended

Oct. 31, 2011

Inventory Disclosure [Abstract]

Inventory Disclosure [Text Block]

4.  Inventories

Inventories consist of the following:

	October 31, 2011		January 31, 2011
Raw materials	$	21,844,777	$	17,830,675
Work-in-process		2,026,618		2,796,825
Finished goods		23,441,299		24,667,795
	$	47,312,694	$	45,295,295

Inventories include freight-in, materials, labor and overhead costs and are stated at the lower of cost (on a first-in, first-out basis) or market.