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LONG-TERM DEBT (Details) - USD ($)
$ in Thousands
Jan. 31, 2019
Jan. 31, 2018
Short-term $ 0 $ 211
Long-term 1,161 1,312
Current maturity of long-term 158 158
ARGENTINA    
Short-term 0 31
Long-term 0 0
Current maturity of long-term 0 0
UNITED KINGDOM    
Short-term 0 180
Long-term 0 0
Current maturity of long-term 0 0
UNITED STATES    
Short-term 0 0
Long-term 1,161 1,312
Current maturity of long-term $ 158 $ 158