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Note 17 - Income Taxes (Details) - Income (Loss) before Income Taxes Earned by Tax Jurisdictions - USD ($) $ in Thousands | 12 Months Ended
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Jan. 31, 2016 | Jan. 31, 2015 | Jan. 31, 2014
Note 17 - Income Taxes (Details) - Income (Loss) before Income Taxes Earned by Tax Jurisdictions [Line Items] |  |  |
Income (loss) from continuing operations | $ 27,770 | $ 21,821 | $ 13,733
Canada [Member] |  |  |
Note 17 - Income Taxes (Details) - Income (Loss) before Income Taxes Earned by Tax Jurisdictions [Line Items] |  |  |
Income (loss) from continuing operations | 13,933 | 14,489 | 6,922
United States [Member] |  |  |
Note 17 - Income Taxes (Details) - Income (Loss) before Income Taxes Earned by Tax Jurisdictions [Line Items] |  |  |
Income (loss) from continuing operations | 4,773 | 6,300 | 7,841
Other Countries [Member] |  |  |
Note 17 - Income Taxes (Details) - Income (Loss) before Income Taxes Earned by Tax Jurisdictions [Line Items] |  |  |
Income (loss) from continuing operations | $ 9,064 | $ 1,032 | $ (1,030)

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- Definition Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest. + 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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