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Note 20 - Segmented Information - Segmented Revenue by Geographical Location of Customer (Details) - USD ($) $ in Thousands | 12 Months Ended
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Jan. 31, 2017 | Jan. 31, 2016 | Jan. 31, 2015
Geographical Revenue | $ 203,779 | $ 184,993 | $ 170,860
UNITED STATES |  |  |
Geographical Revenue | 106,672 | 96,300 | 73,810
EMEA [Member] |  |  |
Geographical Revenue | 75,165 | 68,451 | 72,900
CANADA |  |  |
Geographical Revenue | 13,266 | 12,572 | 15,187
Asia Pacific [Member] |  |  |
Geographical Revenue | $ 8,676 | $ 7,670 | $ 8,963

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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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