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INVENTORIES, NET
12 Months Ended
Jan. 31, 2015
Inventory Disclosure [Abstract]  
Inventory Disclosure [Text Block]
2. INVENTORIES, NET
 
Inventories consist of the following at January 31:
 
 
 
2015
 
2014
 
 
 
 
 
 
 
 
 
Raw materials
 
$
15,624,059
 
$
16,348,861
 
Work-in-process
 
 
2,162,664
 
 
1,292,741
 
Finished goods
 
 
22,521,552
 
 
22,202,707
 
 
 
$
40,308,275
 
$
39,844,309