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Note 18 - Income Taxes (Tables) | 12 Months Ended
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Jan. 31, 2021
Notes Tables |
Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] |
Year Ended |  |  | January 31, |  |  |  | January 31, |  |  |  | January 31, |
|  |  | 2021 |  |  |  | 2020 |  |  |  | 2019 |
Canada |  |  | 31,307 |  |  |  | 19,557 |  |  |  | 16,715 |
United States |  |  | 26,072 |  |  |  | 19,962 |  |  |  | 11,077 |
Other countries |  |  | 12,990 |  |  |  | 8,516 |  |  |  | 11,718 |
|  |  | 70,369 |  |  |  | 48,035 |  |  |  | 39,510 |
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] |
Year Ended |  |  | January 31, |  |  |  | January 31, |  |  |  | January 31, |
|  |  | 2021 |  |  |  | 2020 |  |  |  | 2019 |
Current income tax expense |  |  |  |  |  |  |  |  |  |  |  |
Canada |  |  | 1,875 |  |  |  | 1,020 |  |  |  | 3,037 |
United States |  |  | (3,050 | ) |  |  | 3,496 |  |  |  | 1,298 |
Other countries |  |  | 4,921 |  |  |  | 779 |  |  |  | 1,707 |
|  |  | 3,746 |  |  |  | 5,295 |  |  |  | 6,042 |
Deferred income tax expense (recovery) |  |  |  |  |  |  |  |  |  |  |  |
Canada |  |  | 7,047 |  |  |  | 5,008 |  |  |  | 2,531 |
United States |  |  | 9,537 |  |  |  | 1,390 |  |  |  | 67 |
Other countries |  |  | (2,061 | ) |  |  | (655 | ) |  |  | (407 | )
|  |  | 14,523 |  |  |  | 5,743 |  |  |  | 2,191 |
|  |  | 18,269 |  |  |  | 11,038 |  |  |  | 8,233 |
Schedule of Deferred Tax Assets and Liabilities [Table Text Block] |
|  |  | January 31, |  |  |  | January 31, |
|  |  | 2021 |  |  |  | 2020 |
Assets |  |  |  |  |  |  |  |
Accrued liabilities not currently deductible |  |  | 4,471 |  |  |  | 14,838 |
Accumulated net operating losses |  |  | 12,866 |  |  |  | 10,579 |
Corporate minimum taxes |  |  | 1,596 |  |  |  | - |
Difference between tax and accounting basis of property and equipment |  |  | 23,754 |  |  |  | 33,929 |
Research and development and other tax credits and expenses |  |  | 1,649 |  |  |  | 756 |
Total deferred income tax assets |  |  | 44,336 |  |  |  | 60,102 |
Liabilities |  |  |  |  |  |  |  |
Difference between tax and accounting basis of intangible assets |  |  | (45,030 | ) |  |  | (41,381 | )
Difference between tax and accounting basis of property and equipment |  |  | - |  |  |  | - |
Other temporary differences |  |  | (2,109 | ) |  |  | (1,716 | )
Total deferred income tax liabilities |  |  | (47,139 | ) |  |  | (43,097 | )
Net deferred income taxes |  |  | (2,803 | ) |  |  | 17,005 |
Valuation allowance |  |  | (11,365 | ) |  |  | (10,470 | )
Net deferred income taxes, net of valuation allowance |  |  | (14,168 | ) |  |  | 6,535 |
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] |
Year Ended |  |  | January 31, |  |  |  | January 31, |  |  |  | January 31, |
|  |  | 2021 |  |  |  | 2020 |  |  |  | 2019 |
Income before income taxes |  |  | 70,369 |  |  |  | 48,033 |  |  |  | 39,510 |
Combined basic Canadian statutory rates |  |  | 26.5 | % |  |  | 26.5 | % |  |  | 26.5 | %
Income tax expense based on the above rates |  |  | 18,648 |  |  |  | 12,729 |  |  |  | 10,470 |
Increase (decrease) in income taxes resulting from: |  |  |  |  |  |  |  |  |  |  |  |
Permanent differences including amortization of intangible assets |  |  | 875 |  |  |  | (673 | ) |  |  | (133 | )
Effect of differences between Canadian and foreign tax rates |  |  | (600 | ) |  |  | (274 | ) |  |  | (172 | )
Effect of rate changes on current year timing differences |  |  | (1,063 | ) |  |  | (609 | ) |  |  | (245 | )
Adjustments relating to previous periods |  |  | (1,034 | ) |  |  | 94 |  |  |  | (973 | )
Increase (decrease) in accruals for uncertain tax positions |  |  | 1,289 |  |  |  | (1,042 | ) |  |  | (515 | )
Valuation allowance |  |  | 254 |  |  |  | 692 |  |  |  | (344 | )
Stock based compensation |  |  | 100 |  |  |  | 352 |  |  |  | 231 |
Other, including foreign exchange |  |  | (200 | ) |  |  | (231 | ) |  |  | (86 | )
Income tax expense |  |  | 18,269 |  |  |  | 11,038 |  |  |  | 8,233 |
Summary of Operating Loss Carryforwards [Table Text Block] |
Expiry year |  |  | Canada |  |  |  | United States |  |  |  | EMEA |  |  |  | Asia Pacific |  |  |  | Total |
2022 |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 285 |  |  |  | 285 |
2023 |  |  | - |  |  |  | 3 |  |  |  | 341 |  |  |  | 50 |  |  |  | 394 |
2024 |  |  | - |  |  |  | 16 |  |  |  | 138 |  |  |  | 67 |  |  |  | 221 |
2025 |  |  | - |  |  |  | 51 |  |  |  | - |  |  |  | - |  |  |  | 51 |
2026 |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Thereafter |  |  | 6,969 |  |  |  | 2,807 |  |  |  | 47,832 |  |  |  | 2,434 |  |  |  | 60,042 |
|  |  | 6,969 |  |  |  | 2,877 |  |  |  | 48,311 |  |  |  | 2,836 |  |  |  | 60,993 |
Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] |
|  |  | January 31, |  |  |  | January 31, |
|  |  | 2021 |  |  |  | 2020 |
Liability, beginning of year |  |  | 6,650 |  |  |  | 7,824 |
Gross increases – current period |  |  | 2,502 |  |  |  | 139 |
Lapsing due to statutes of limitations |  |  | (759 | ) |  |  | (1,313 | )
Liability, end of year |  |  | 8,393 |  |  |  | 6,650 |

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