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Note 2 - Basis of Presentation (Details Textual) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Jan. 31, 2020 USD ($) | Jan. 31, 2019 USD ($) | Jan. 31, 2018 USD ($) | Feb. 01, 2019 USD ($) | Feb. 01, 2018 USD ($)
Foreign Currency Transaction Gain (Loss), before Tax, Total | $ 600 | $ (400) | $ (400) |  |
Impairment of Long-Lived Assets Held-for-use | 0 | 0 | 0 |  |
Goodwill, Impairment Loss | 0 | 0 | 0 |  |
Contract with Customer, Asset, after Allowance for Credit Loss, Total | 1,107 | 812 | 495 |  |
Other Assets, Noncurrent, Total | 13,520 | 10,510 |  |  |
Deferred Income Tax Liabilities, Net, Total | 15,067 | 15,507 |  |  |
Retained Earnings (Accumulated Deficit), Ending Balance | (135,770) | (172,767) |  |  |
Operating Lease, Liability, Total | 13,405 |  |  |  |
Operating Lease, Right-of-Use Asset | 12,877 |  |  |  |
Retained Earnings [Member] |  |  |  |  |
Cumulative Effect of New Accounting Principle in Period of Adoption |  | $ 7,579 | $ (37) |  |
Accounting Standards Update 2014-09 [Member] |  |  |  |  |
Contract with Customer, Asset, after Allowance for Credit Loss, Total |  |  |  |  | $ 500
Other Assets, Noncurrent, Total |  |  |  |  | 4,200
Deferred Income Tax Liabilities, Net, Total |  |  |  |  | 1,100
Retained Earnings (Accumulated Deficit), Ending Balance |  |  |  |  | 3,600
Accounting Standards Update 2016-06 [Member] | Retained Earnings [Member] |  |  |  |  |
Cumulative Effect of New Accounting Principle in Period of Adoption |  |  |  |  | $ 4,000
Accounting Standards Update 2016-02 [Member] |  |  |  |  |
Operating Lease, Liability, Total |  |  |  | $ 10,400 |
Operating Lease, Right-of-Use Asset |  |  |  | $ 10,400 |
Share-based Payment Arrangement, Option [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | 5 years |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period | 7 years |  |  |  |
Performance Shares [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | 3 years |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period | 10 years |  |  |  |
Restricted Stock Units (RSUs) [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | 3 years |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period | 10 years |  |  |  |
Deferred Share Unit Plan [Member] |  |  |  |  |
Base Annual Fee, Percent | 50.00% |  |  |  |
Computer Equipment [Member] |  |  |  |  |
Property Plant and Equipment, Percent Declining Balance Depreciation | 30.00% |  |  |  |
Furniture and Fixtures [Member] |  |  |  |  |
Property Plant and Equipment, Percent Declining Balance Depreciation | 20.00% |  |  |  |
Minimum [Member] |  |  |  |  |
Costs to Obtain a Contract with a Customer, Period of Benefit Including Renewals | 4 years |  |  |  |
Minimum [Member] | Share-based Payment Arrangement, Option [Member] | Directors and Officers [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | 3 years |  |  |  |
Minimum [Member] | Cash-Settled Restricted Share Plan [Member] |  |  |  |  |
Cash Settled Restricted Share Units, Vesting Period | 3 years |  |  |  |
Maximum [Member] |  |  |  |  |
Costs to Obtain a Contract with a Customer, Period of Benefit Including Renewals | 6 years |  |  |  |
Maximum [Member] | Share-based Payment Arrangement, Option [Member] | Directors and Officers [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | 5 years |  |  |  |
Maximum [Member] | Cash-Settled Restricted Share Plan [Member] |  |  |  |  |
Cash Settled Restricted Share Units, Vesting Period | 5 years |  |  |  |
Customer Relationships [Member] | Minimum [Member] |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life | 3 years |  |  |  |
Customer Relationships [Member] | Maximum [Member] |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life | 20 years |  |  |  |
Existing Technology [Member] | Minimum [Member] |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life | 2 years |  |  |  |
Existing Technology [Member] | Maximum [Member] |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life | 12 years |  |  |  |
Trade Names [Member] | Minimum [Member] |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life | 1 year |  |  |  |
Trade Names [Member] | Maximum [Member] |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life | 15 years |  |  |  |
Noncompete Agreements [Member] | Minimum [Member] |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life | 2 years |  |  |  |
Noncompete Agreements [Member] | Maximum [Member] |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life | 12 years |  |  |  |
Customer Concentration Risk [Member] | Accounts Receivable [Member] |  |  |  |  |
Number of Major Customers | 0 | 0 |  |  |

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