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Note 10 - Goodwill - Goodwill (Details) - USD ($) | 12 Months Ended
--- | ---
Jan. 31, 2017 | Jan. 31, 2016
Balance at beginning of period | $ 217,486,000 | $ 147,440,000
Adjustments on account of foreign exchange | (1,310,000) | (4,467,000)
Balance at end of period | 263,113,000 | 217,486,000
Airclic [Member] |  |
Balance at beginning of period |  | 12,480,000
Goodwill Acquired During Period |  | 810,000
MK Data [Member] |  |
Balance at beginning of period | 51,108,000 |
Goodwill Acquired During Period |  | 51,108,000
Balance at end of period |  | 51,108,000
BearWare [Member] |  |
Balance at beginning of period | 4,958,000 |
Goodwill Acquired During Period |  | 4,958,000
Balance at end of period |  | 4,958,000
Oz [Member] |  |
Balance at beginning of period | 17,637,000 |
Goodwill Acquired During Period |  | 17,637,000
Balance at end of period |  | 17,637,000
Pixie Software GmbH [Member] |  |
Goodwill Acquired During Period | 6,705,000 |
Balance at end of period | 6,705,000 |
Appterra LLC [Member] |  |
Goodwill Acquired During Period | 3,766,000 |
Balance at end of period | 3,766,000 |
4Solututions Information Technology [Member] |  |
Goodwill Acquired During Period | 1,351,000 |
Balance at end of period | 1,351,000 |
Datamyne Inc [Member] |  |
Goodwill Acquired During Period | 35,115,000 |
Balance at end of period | $ 35,115,000 |

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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=64834752&loc=SL49117168-202975 + Details
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