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Note 17 - Income Taxes (Tables) | 12 Months Ended
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Jan. 31, 2017
Notes Tables |
Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] |
Year Ended |  |  | January 31, 2017 |  |  |  | January 31, 2016 |  |  |  | January 31, 2015 |
Canada |  |  | 19,560 |  |  |  | 13,933 |  |  |  | 14,489 |
United States |  |  | 2,670 |  |  |  | 4,773 |  |  |  | 6,300 |
Other countries |  |  | 9,270 |  |  |  | 9,064 |  |  |  | 1,032 |
|  |  | 31,500 |  |  |  | 27,770 |  |  |  | 21,821 |
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] |
Year Ended |  |  | January 31, 2017 |  |  |  | January 31, 2016 |  |  |  | January 31, 2015 |
Current income tax expense |  |  |  |  |  |  |  |  |  |  |  |
Canada |  |  | 447 |  |  |  | 94 |  |  |  | 568 |
United States |  |  | 873 |  |  |  | 70 |  |  |  | 1,060 |
Other countries |  |  | 2,702 |  |  |  | 1,279 |  |  |  | 1,156 |
|  |  | 4,022 |  |  |  | 1,443 |  |  |  | 2,784 |
Deferred income tax expense (recovery) |  |  |  |  |  |  |  |  |  |  |  |
Canada |  |  | 4,251 |  |  |  | 3,493 |  |  |  | 3,741 |
United States |  |  | 1,272 |  |  |  | 800 |  |  |  | 2,144 |
Other countries |  |  | (1,883 | ) |  |  | 1,472 |  |  |  | (1,907 | )
|  |  | 3,640 |  |  |  | 5,765 |  |  |  | 3,978 |
|  |  | 7,662 |  |  |  | 7,208 |  |  |  | 6,762 |
Schedule of Deferred Tax Assets and Liabilities [Table Text Block] |
|  |  | January 31, 2017 |  |  |  | January 31, 2016 |
Assets |  |  |  |  |  |  |  |
Accruals not currently deductible |  |  | 11,975 |  |  |  | 8,653 |
Accumulated net operating losses |  |  | 17,571 |  |  |  | 19,859 |
Corporate minimum taxes |  |  | 1,767 |  |  |  | 1,589 |
Research and development and other tax credits and expenses |  |  | 3,424 |  |  |  | 2,885 |
Other timing differences |  |  | 683 |  |  |  | 924 |
Total deferred income tax assets |  |  | 35,420 |  |  |  | 33,910 |
Liabilities |  |  |  |  |  |  |  |
Difference between tax and accounting basis of intangible assets |  |  | (23,393 | ) |  |  | (9,584 | )
Difference between tax and accounting basis of property and equipment |  |  | (2,655 | ) |  |  | 700 |
Uncertain tax positions incurred in loss years |  |  | (205 | ) |  |  | (356 | )
Total deferred income tax liabilities |  |  | (26,253 | ) |  |  | (9,240 | )
Net deferred income taxes |  |  | 9,167 |  |  |  | 24,670 |
Valuation allowance |  |  | (12,115 | ) |  |  | (13,963 | )
Net deferred income taxes, net of valuation allowance |  |  | (2,948 | ) |  |  | 10,707 |
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] |
Year Ended |  |  | January 31, 2017 |  |  |  | January 31, 2016 |  |  |  | January 31, 2015 |
Net income before taxes |  |  | 31,500 |  |  |  | 27,770 |  |  |  | 21,821 |
Combined basic Canadian statutory rates |  |  | 26.5 | % |  |  | 26.5 | % |  |  | 26.5 | %
Income tax expense based on the above rates |  |  | 8,347 |  |  |  | 7,359 |  |  |  | 5,783 |
Increase (decrease) in income taxes resulting from: |  |  |  |  |  |  |  |  |  |  |  |
Permanent differences including amortization of intangible assets |  |  | (882 | ) |  |  | (2,593 | ) |  |  | 800 |
Effect of differences between Canadian and foreign tax rates |  |  | 213 |  |  |  | 169 |  |  |  | 1,007 |
Effect of rate changes on current year timing differences |  |  | 495 |  |  |  | 1,150 |  |  |  | - |
Adjustments relating to previous periods |  |  | (431 | ) |  |  | 36 |  |  |  | 9 |
Increase (decrease) in tax reserves |  |  | 492 |  |  |  | (172 | ) |  |  | (41 | )
Valuation allowance |  |  | (1,580 | ) |  |  | (41 | ) |  |  | (1,195 | )
Stock compensation |  |  | 351 |  |  |  | 345 |  |  |  | 86 |
Deferred tax charges |  |  | 400 |  |  |  | 270 |  |  |  | - |
Other, including foreign exchange |  |  | 257 |  |  |  | 685 |  |  |  | 313 |
Income tax expense |  |  | 7,662 |  |  |  | 7,208 |  |  |  | 6,762 |
Summary of Operating Loss Carryforwards [Table Text Block] |
Expiry year |  |  | United States |  |  |  | EMEA |  |  |  | Asia Pacific |  |  |  | Total |
2018 |  |  | - |  |  |  | 283 |  |  |  | - |  |  |  | 283 |
2019 |  |  | 1,766 |  |  |  | - |  |  |  | - |  |  |  | 1,766 |
2020 |  |  | - |  |  |  | - |  |  |  | 671 |  |  |  | 671 |
2021 |  |  | - |  |  |  | - |  |  |  | 83 |  |  |  | 83 |
2022 |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Thereafter |  |  | 11,945 |  |  |  | 54,762 |  |  |  | 6,795 |  |  |  | 73,502 |
|  |  | 13,711 |  |  |  | 55,045 |  |  |  | 7,549 |  |  |  | 76,305 |
Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] |
|  |  | January 31, 2017 |  |  |  | January 31, 2016 |  |  |  | January 31, 2015 |
Liability, beginning of year |  |  | 5,768 |  |  |  | 5,721 |  |  |  | 6,211 |
Gross increases – current period |  |  | 1,939 |  |  |  | 1,967 |  |  |  | 825 |
Lapsing due to statutes of limitations |  |  | (1,319 | ) |  |  | (1,920 | ) |  |  | (1,315 | )
Liability, end of year |  |  | 6,388 |  |  |  | 5,768 |  |  |  | 5,721 |

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- Definition Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32639-109319 + Details
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- Definition Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32537-109319 + Details
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- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32687-109319 + Details
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