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LONG-TERM DEBT (Details) - USD ($)
$ in Thousands
Jan. 31, 2020
Jan. 31, 2019
Short-term $ 0 $ 0
Long-term 0 1,161
Current maturity of long-term 1,155 158
United States    
Short-term 0 0
Long-term 0 1,161
Current maturity of long-term $ 1,155 $ 158