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Brazil Transaction (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Apr. 30, 2016 | Apr. 30, 2015
Transactions [Line Items] |  |
Net sales from discontinuing operations | $ 0 | $ 444
Gross profit from discontinuing operations | 0 | 32
Operating expenses from discontinuing operations | 0 | 484
Operating loss from discontinuing operations | 0 | (452)
Other (income) expense from discontinuing operations, net | 0 | (479)
Loss from operation of discontinuing operations before income tax | 0 | (931)
Net loss from discontinued operations | $ 0 | $ (931)

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- Definition Amount before tax of gain (loss) not previously recognized resulting from the disposal of a discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 3B -URI http://asc.fasb.org/extlink&oid=51716988&loc=SL51721525-107759 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=51717284&loc=d3e1361-107760 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=51716988&loc=d3e957-107759 + Details
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