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BUSINESS SEGMENT INFORMATION (Details)
$ in Thousands
3 Months Ended 12 Months Ended
Jan. 31, 2016
USD ($)
Oct. 31, 2015
USD ($)
Jul. 31, 2015
USD ($)
Apr. 30, 2015
USD ($)
Jan. 31, 2015
USD ($)
Oct. 31, 2014
USD ($)
Jul. 31, 2014
USD ($)
Apr. 30, 2014
USD ($)
Jan. 31, 2016
USD ($)
Region
Segment
Jan. 31, 2015
USD ($)
Jan. 31, 2014
USD ($)
BUSINESS SEGMENT INFORMATION [Abstract]                      
Number of geographic regions | Region                 4    
Number of operating segments | Segment                 1    
Revenues From External Customers And Long Lived Assets [Line Items]                      
Revenue $ 69,259 $ 68,037 $ 71,291 $ 69,265 $ 79,562 $ 74,004 $ 73,050 $ 68,485 $ 277,852 $ 295,101 $ 266,311
Capital expenditures                 3,208 4,577 $ 4,779
Property and equipment, net 32,080       33,154       $ 32,080 $ 33,154  
Percentage of sales into Canada to North America total revenue                 2.00% 2.00% 2.00%
North America [Member] | Reportable Geographical Components [Member]                      
Revenues From External Customers And Long Lived Assets [Line Items]                      
Revenue [1]                 $ 127,776 $ 129,693 $ 113,937
Capital expenditures                 1,979 3,468 2,440
Property and equipment, net 27,304       27,967       27,304 27,967  
EMEA [Member] | Reportable Geographical Components [Member]                      
Revenues From External Customers And Long Lived Assets [Line Items]                      
Revenue                 84,268 98,279 89,133
Capital expenditures                 538 482 1,224
Property and equipment, net 3,270       3,617       3,270 3,617  
Asia Pacific [Member] | Reportable Geographical Components [Member]                      
Revenues From External Customers And Long Lived Assets [Line Items]                      
Revenue                 46,457 48,292 46,391
Capital expenditures                 524 576 1,029
Property and equipment, net 1,331       1,455       1,331 1,455  
Latin America [Member] | Reportable Geographical Components [Member]                      
Revenues From External Customers And Long Lived Assets [Line Items]                      
Revenue                 19,351 18,837 16,850
Capital expenditures                 167 51 $ 86
Property and equipment, net $ 175       $ 115       $ 175 $ 115  
[1] Sales into Canada accounted for 2% of North America total revenue for each of the fiscal years 2016, 2015 and 2014.