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Debt Debt by type (Details) - USD ($)
$ in Thousands
Jan. 31, 2017
Jan. 31, 2016
Debt Instrument [Line Items]    
Mortgage loans on real estate $ 7,463 $ 1,443
Revolving line foreign 301 8,131
Term loans 80 246
Capitalized lease obligations 283 442
Total debt 11,940 15,499
Unamortized debt issuance costs (165) (23)
Current maturities of long-term debt 4,517 14,006
Total long-term debt 7,258 1,470
Unamortized debt issuance costs, Current (46) (2)
Total short-term debt 4,471 14,004
Indian capital leases [Member]    
Debt Instrument [Line Items]    
Capitalized lease obligations $ 8  
Debt instrument, interest rate, stated percentage 15.60%  
North America [Member]    
Debt Instrument [Line Items]    
Revolving line North America $ 3,813 $ 5,237