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Interest expense, net (Tables) | 12 Months Ended
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Jan. 31, 2014
Interest expense, net [Abstract] |
Interest expense, net [Table Text Block] | Interest expense, net
| 2013 |  | 2012 |
Interest expense | $1,855 | $2,009
Interest income | (544 | ) | (511 | )
Interest expense, net | $1,311 | $1,498

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- Definition Tabular disclosure of interest income and expense, including, but not limited to, interest income and expense from investments, loans, and securities. + References No definition available. + Details
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