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Note 17 - Income Taxes (Details) - Income (Loss) before Income Taxes Earned by Tax Jurisdictions - USD ($) $ in Thousands	12 Months Ended
	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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- References

No definition available.

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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

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