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Note 19 - Contract Balances, Performance Obligations and Contract Costs - Changes in Deferred Revenue and Contract Assets (Details) - USD ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Feb. 01, 2018 | Jan. 31, 2020 | Jan. 31, 2019
Balance | $ 32,113 | $ 35,091 | $ 32,113
Recognition of previously deferred revenue |  | (30,580) | (27,252)
Deferral of revenue |  | 37,408 | 29,423
Increases from business combinations, net |  | 551 | 1,789
Effect of movements in foreign exchange |  | (407) | (982)
Balance |  | 42,063 | 35,091
Current |  | 41,143 | 34,236
Long-term |  | 920 |
Balance |  |  |
Adjustment for adoption of ASC 606 | 495 |  |
Balance at February 1, 2018 | $ 495 | 812 | 495
Transfers to trade receivables from contract assets |  | (490) | (266)
Increases as a result of delivered term licenses recognized as revenue during the period, net of amounts transferred to trade receivables |  | 791 | 606
Effect of movements in foreign exchange |  | (6) | (23)
Balance |  | $ 1,107 | $ 812

X
- Definition Represents the adjustment to the contract asset amount for the adoption of ASC 606. + References No definition available. + Details
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X
- Definition Amount of increase (decrease) to the contract asset during the period attributable to the effect of movements in foreign exchange. + References No definition available. + Details
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X
- Definition Amount of increase (decrease) in the contract asset during the period from term licenses recognized as revenue during the period, net of amounts transferred to trade receivables. + References No definition available. + Details
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X
- Definition Represents the amount of contract asset before the adoption of ASC 606. + References No definition available. + Details
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- Definition Amount of increase (decrease) in obligation to transfer good or service to customer for which consideration from customer has been received or is due, from movements in foreign exchange. + References No definition available. + Details
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- Definition Amount of increase in obligation to transfer good or service to customer for which consideration from customer has been received or is due, from deferral of revenue. + References No definition available. + Details
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- Definition Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130549-203045 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=118944033&loc=SL49130531-203044 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=118944033&loc=SL49130533-203044 + Details
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X
- Definition Amount of decrease in right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time from transfer to receivable due to right to consideration becoming unconditional. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130551-203045 + Details
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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=118944033&loc=SL49130531-203044 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130549-203045 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=118944033&loc=SL49130532-203044 + Details
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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=118944033&loc=SL49130531-203044 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=118944033&loc=SL49130532-203044 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130549-203045 + Details
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- Definition Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130549-203045 + Details
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