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Note 10 - Goodwill - Goodwill (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jul. 31, 2017 | Jan. 31, 2018 | Jan. 31, 2017
Balance |  | $ 263,113 | $ 217,486
Adjustments on account of foreign exchange |  | 7,839 | (1,310)
Balance |  | 350,148 | 263,113
Pixie Software GmbH [Member] |  |  |
Balance |  | 6,705 |
Goodwill Acquired During Period |  |  | 6,705
Balance |  |  | 6,705
Appterra LLC [Member] |  |  |
Balance |  | 3,766 |
Goodwill Acquired During Period |  |  | 3,766
Balance |  |  | 3,766
4Solututions Information Technology [Member] |  |  |
Balance |  | 1,351 |
Goodwill Acquired During Period |  |  | 1,351
Balance |  |  | 1,351
Datamyne Inc [Member] |  |  |
Balance |  | 34,680 |
Goodwill Acquired During Period |  |  | 35,115
Goodwill, Purchase Accounting Adjustments | $ (400) | (435) |
Balance |  |  | 34,680
ShipRush [Member] |  |  |
Goodwill Acquired During Period |  | 8,603 |
Balance |  | 8,603 |
PCSTrac, Inc. [Member] |  |  |
Goodwill Acquired During Period |  | 5,815 |
Balance |  | 5,815 |
MacroPoint LLC [Member] |  |  |
Goodwill Acquired During Period |  | 65,213 |
Balance |  | $ 65,213 |

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975 + Details
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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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- Definition Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=84229725&loc=d3e961-128460 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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