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INVENTORIES
3 Months Ended
Apr. 30, 2012
INVENTORIES [Abstract]  
INVENTORIES
NOTE 5 - INVENTORIES

Inventories consisted of the following:
 
 
April 30,
2012
 
 January 31,
2012
Raw materials
$13,081,496
 
$12,673,210
Work in progress
3,453,168
 
2,808,747
Finished goods
2,705,150
 
2,365,186
 
$19,239,814
 
$17,847,143