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Note 17 - Income Taxes - Income (Loss) Before Income Taxes Earned by Tax Jurisdictions (Details) - USD ($) $ in Thousands | 12 Months Ended
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Jan. 31, 2018 | Jan. 31, 2017 | Jan. 31, 2016
Income (loss) from continuing operations | $ 34,748 | $ 31,500 | $ 27,770
CANADA |  |  |
Income (loss) from continuing operations | 17,964 | 19,560 | 13,933
UNITED STATES |  |  |
Income (loss) from continuing operations | 6,203 | 2,670 | 4,773
Other Countries [Member] |  |  |
Income (loss) from continuing operations | $ 10,581 | $ 9,270 | $ 9,064

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- Definition Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(1)(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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