XML 48 R26.htm IDEA: XBRL DOCUMENT v2.4.0.6
INVENTORIES (Tables)
6 Months Ended
Jul. 31, 2012
INVENTORIES [Abstract]  
Inventories
Inventories consisted of the following:
 
 
July 31,
2012
 
January 31,
 2012
Raw materials
$12,512,078
 
$12,673,210
Work in progress
2,429,963
 
2,808,747
Finished goods
2,985,870
 
2,365,186
 
$17,927,911
 
$17,847,143