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Debt (Long-term Debt) (Details) - USD ($)
$ in Thousands
Oct. 31, 2015
Jan. 31, 2015
Oct. 31, 2014
Debt Instrument [Line Items]      
Long-term debt $ 4,132 $ 9,519 $ 8,171
Less current portion 68 3,366 2,018
Non-current portion 4,064 6,153 6,153
Revolving Credit Facility [Member]      
Debt Instrument [Line Items]      
Long-term debt 4,018 9,366 7,967
Other Debt [Member]      
Debt Instrument [Line Items]      
Long-term debt $ 114 $ 153 $ 204