LONG-TERM DEBT (Details 1) $ in Thousands	Jan. 31, 2018 USD ($)
Debt Instrument [Line Items]
1 Year or less	$ 369
2 Years	158
3 Years	1,154
4 Years	0
5 Years	0
After 5 Years	0
Total	1,681
Revolving credit facility [Member]
Debt Instrument [Line Items]
1 Year or less	0
2 Years	0
3 Years	0
4 Years	0
5 Years	0
After 5 Years	0
Total	0
Borrowings in USA [Member]
Debt Instrument [Line Items]
1 Year or less	158
2 Years	158
3 Years	1,154
4 Years	0
5 Years	0
After 5 Years	0
Total	1,470
Borrowings in Canada [Member]
Debt Instrument [Line Items]
1 Year or less	0
2 Years	0
3 Years	0
4 Years	0
5 Years	0
After 5 Years	0
Total	0
Borrowings in UK [Member]
Debt Instrument [Line Items]
1 Year or less	180
2 Years	0
3 Years	0
4 Years	0
5 Years	0
After 5 Years	0
Total	180
Borrowings in Argentina [Member]
Debt Instrument [Line Items]
1 Year or less	31
2 Years	0
3 Years	0
4 Years	0
5 Years	0
After 5 Years	0
Total	$ 31