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Note 3 - Acquisitions (Details Textual) - USD ($) $ in Thousands |  |  |  |  |  |  |  |  |  |  | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Aug. 14, 2017 | Jun. 01, 2017 | May 18, 2017 | Dec. 23, 2016 | Nov. 11, 2016 | Oct. 12, 2016 | Apr. 29, 2016 | Nov. 25, 2015 | Jul. 22, 2015 | Jul. 20, 2015 | Jul. 31, 2017 | Jan. 31, 2018 | Jan. 31, 2017 | Jan. 31, 2016 | Oct. 31, 2016
Payments to Acquire Businesses, Net of Cash Acquired |  |  |  |  |  |  |  |  |  |  |  | $ 111,867 | $ 71,348 | $ 120,853 |
Business Combination, Acquisition Related Costs |  |  |  |  |  |  |  |  |  |  |  | 3,471 | 3,019 | 1,416 |
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual |  |  |  |  |  |  |  |  |  |  |  | 12,600 |  |  |
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual |  |  |  |  |  |  |  |  |  |  |  | 600 |  |  |
In Process Research and Development [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Finite-lived Intangible Assets Acquired |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 |
ShipRush [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired |  |  | $ 14,200 |  |  |  |  |  |  |  |  | 14,198 |  |  |
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High |  |  | 3,000 |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Contingent Consideration, Liability |  |  | 1,200 |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Acquired Receivables, Gross Contractual Amount |  |  | 400 |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Acquired Receivable, Fair Value |  |  | $ 400 |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred |  |  |  |  |  |  |  |  |  |  |  | 15,519 |  |  |
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred, Liabilities Incurred |  |  |  |  |  |  |  |  |  |  |  | 1,233 |  |  |
PCSTrac, Inc. [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired |  | $ 11,500 |  |  |  |  |  |  |  |  |  | 11,492 |  |  |
Business Combination, Acquired Receivables, Gross Contractual Amount |  | 400 |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Acquired Receivable, Fair Value |  | $ 400 |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred |  |  |  |  |  |  |  |  |  |  |  | 11,532 |  |  |
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred, Liabilities Incurred |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
MacroPoint LLC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired |  |  |  |  |  |  |  |  |  |  |  | 86,177 |  |  |
Business Combination, Acquired Receivables, Gross Contractual Amount | $ 2,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Acquired Receivable, Fair Value | 2,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred | 106,200 |  |  |  |  |  |  |  |  |  |  | 106,340 |  |  |
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable | 20,000 |  |  |  |  |  |  |  |  |  |  | 20,000 |  |  |
Business Combination, Consideration Transferred, Liabilities Incurred | $ 80,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
The 2018 Acquisitions [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired |  |  |  |  |  |  |  |  |  |  |  | 111,867 |  |  |
Business Combination, Consideration Transferred |  |  |  |  |  |  |  |  |  |  |  | 133,391 |  |  |
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable |  |  |  |  |  |  |  |  |  |  |  | 20,000 |  |  |
Business Combination, Consideration Transferred, Liabilities Incurred |  |  |  |  |  |  |  |  |  |  |  | 1,233 |  |  |
The 2018 Acquisitions [Member] | Other Charges [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Acquisition Related Costs |  |  |  |  |  |  |  |  |  |  |  | 900 |  |  |
Datamyne Inc [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired |  |  |  | $ 52,500 |  |  |  |  |  |  |  |  | 52,541 |  |
Business Combination, Acquired Receivables, Gross Contractual Amount |  |  |  | 1,500 |  |  |  |  |  |  |  |  |  |  |
Business Combination, Acquired Receivable, Fair Value |  |  |  | 1,400 |  |  |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred |  |  |  |  |  |  |  |  |  |  |  |  | 51,974 |  |
Business Combination, Acquired Receivables, Estimated Uncollectible |  |  |  | $ 100 |  |  |  |  |  |  |  |  |  |  |
Goodwill, Purchase Accounting Adjustments |  |  |  |  |  |  |  |  |  |  | $ (400) | (435) |  |  |
Business Combination, Current Liabilities Adjustments |  |  |  |  |  |  |  |  |  |  | $ (400) |  |  |  |
4Solututions Information Technology [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired |  |  |  |  | $ 2,500 |  |  |  |  |  |  |  | 2,456 |  |
Business Combination, Acquired Receivables, Gross Contractual Amount |  |  |  |  | 200 |  |  |  |  |  |  |  |  |  |
Business Combination, Acquired Receivable, Fair Value |  |  |  |  | 200 |  |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred |  |  |  |  |  |  |  |  |  |  |  |  | 2,460 |  |
Business Combination, Acquired Receivables, Estimated Uncollectible |  |  |  |  | $ 0 |  |  |  |  |  |  |  |  |  |
Appterra LLC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired |  |  |  |  |  | $ 5,700 |  |  |  |  |  |  | 5,703 |  |
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High |  |  |  |  |  | 1,600 |  |  |  |  |  |  |  |  | $ 4,600
Business Combination, Contingent Consideration, Liability |  |  |  |  |  | 700 |  |  |  |  |  | $ 2,200 |  |  |
Business Combination, Acquired Receivables, Gross Contractual Amount |  |  |  |  |  | 100 |  |  |  |  |  |  |  |  |
Business Combination, Acquired Receivable, Fair Value |  |  |  |  |  | 100 |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred |  |  |  |  |  |  |  |  |  |  |  |  | 6,285 |  |
Business Combination, Consideration Transferred, Liabilities Incurred |  |  |  |  |  |  |  |  |  |  |  |  | 700 |  |
Business Combination, Acquired Receivables, Estimated Uncollectible |  |  |  |  |  | $ 0 |  |  |  |  |  |  |  |  |
Pixie Software GmbH [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired |  |  |  |  |  |  | $ 10,600 |  |  |  |  |  | 10,648 |  |
Business Combination, Acquired Receivables, Gross Contractual Amount |  |  |  |  |  |  | 600 |  |  |  |  |  |  |  |
Business Combination, Acquired Receivable, Fair Value |  |  |  |  |  |  | 400 |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred |  |  |  |  |  |  |  |  |  |  |  |  | $ 10,622 |  |
Business Combination, Acquired Receivables, Estimated Uncollectible |  |  |  |  |  |  | $ 200 |  |  |  |  |  |  |  |
Oz [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired |  |  |  |  |  |  |  |  |  |  |  |  |  | 29,459 |
Business Combination, Acquired Receivables, Gross Contractual Amount |  |  |  |  |  |  |  | $ 300 |  |  |  |  |  |  |
Business Combination, Acquired Receivable, Fair Value |  |  |  |  |  |  |  | 300 |  |  |  |  |  |  |
Business Combination, Consideration Transferred |  |  |  |  |  |  |  | 29,500 |  |  |  |  |  | 29,435 |
Business Combination, Acquired Receivables, Estimated Uncollectible |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  |
BearWare [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired |  |  |  |  |  |  |  |  |  |  |  |  |  | 11,243 |
Business Combination, Acquired Receivables, Gross Contractual Amount |  |  |  |  |  |  |  |  | $ 800 |  |  |  |  |  |
Business Combination, Acquired Receivable, Fair Value |  |  |  |  |  |  |  |  | 700 |  |  |  |  |  |
Business Combination, Consideration Transferred |  |  |  |  |  |  |  |  | 11,200 |  |  |  |  | 11,224 |
Business Combination, Acquired Receivables, Estimated Uncollectible |  |  |  |  |  |  |  |  | $ 100 |  |  |  |  |  |
MK Data [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired |  |  |  |  |  |  |  |  |  |  |  |  |  | 80,151 |
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High |  |  |  |  |  |  |  |  |  | $ 3,100 |  |  |  |  |
Business Combination, Acquired Receivables, Gross Contractual Amount |  |  |  |  |  |  |  |  |  | 1,300 |  |  |  |  |
Business Combination, Acquired Receivable, Fair Value |  |  |  |  |  |  |  |  |  | 1,200 |  |  |  |  |
Business Combination, Consideration Transferred |  |  |  |  |  |  |  |  |  | 80,200 |  |  |  | $ 80,067 |
Business Combination, Acquired Receivables, Estimated Uncollectible |  |  |  |  |  |  |  |  |  | $ 100 |  |  |  |  |

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- Definition For receivables acquired in a business combination, excluding certain loans and debt securities acquired in a transfer (as defined), this element represents the best estimate at the acquisition date of the contractual cash flows not expected to be collected, by major class of receivable, such as loans, direct finance leases (as defined), and any other class of receivables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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- Definition Fair value of acquired receivable from business combination, excluding certain loans and debt securities acquired in transfer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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- Definition For receivables acquired in a business combination, excluding certain loans and debt securities acquired in a transfer (as defined), this element represents the gross contractual amounts receivable, by major class of receivable, such as loans, direct finance leases (as defined), and any other class of receivables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=84229725&loc=d3e1043-128460 + Details
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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477 + Details
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- Definition Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477 + Details
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- Definition Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 25 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6405-128476 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477 + Details
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- Definition For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 + Details
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- Definition Amount of liability recognized arising from contingent consideration in a business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 35 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6911338&loc=d3e6819-128478 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 25 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6408-128476 + Details
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- Definition This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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- Definition This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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- Definition Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition. + References No definition available. + 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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