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PROPERTY AND EQUIPMENT, NET(Tables)
12 Months Ended
Jan. 31, 2013
Property, Plant and Equipment, Net [Abstract]  
Property, Plant and Equipment [Table Text Block]
Property and equipment consists of the following at January 31:
 
 
 
Useful Life in Years
 
2013
 
2012
 
Machinery and equipment
 
 
3-10
 
$
10,993,470
 
$
10,958,054
 
Furniture and fixtures
 
 
3-10
 
 
669,511
 
 
670,150
 
Leasehold improvements
 
 
Lease term
 
 
1,896,338
 
 
1,725,746
 
Land and building (China)
 
 
20-30
 
 
2,412,115
 
 
2,412,115
 
Land and building (Canada)
 
 
30
 
 
2,444,798
 
 
2,444,063
 
Land and buildings (USA)
 
 
30
 
 
6,017,082
 
 
5,798,986
 
Land and building (Brazil)
 
 
5
 
 
1,638,236
 
 
1,872,982
 
 
 
 
 
 
 
26,071,550
 
 
25,882,096
 
Less accumulated depreciation
 
 
 
 
 
(12,971,202)
 
 
(12,080,730)
 
Construction-in-progress
 
 
 
 
 
989,639
 
 
113,460
 
 
 
 
 
 
$
14,089,987
 
$
13,914,826