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Long-Term Debt (Details) - USD ($)
$ in Thousands
Oct. 31, 2018
Jan. 31, 2018
Short-term debt $ 179 $ 211
Long-term debt, excluding current maturities 1,200 1,312
Long-term debt, current maturities 158 158
Argentina    
Short-term debt 32 31
Long-term debt, excluding current maturities 0 0
Long-term debt, current maturities 0 0
UK    
Short-term debt 147 180
Long-term debt, excluding current maturities 0 0
Long-term debt, current maturities 0 0
USA    
Short-term debt 0 0
Long-term debt, excluding current maturities 1,200 1,312
Long-term debt, current maturities $ 158 $ 158