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Note 18 - Income Taxes - Income Tax Loss Carryforwards Expiration Dates (Details) $ in Thousands	Jan. 31, 2021 USD ($)
Operating loss carryforwards	$ 60,993
Tax Year 2022 [Member]
Operating loss carryforwards	285
Tax Year 2023 [Member]
Operating loss carryforwards	394
Tax Year 2024 [Member]
Operating loss carryforwards	221
Tax Year 2025 [Member]
Operating loss carryforwards	51
Tax Year 2026 [Member]
Operating loss carryforwards
After Tax Year 2026 [Member]
Operating loss carryforwards	60,042
Domestic Tax Authority [Member]
Operating loss carryforwards	2,877
Domestic Tax Authority [Member] | Tax Year 2026 [Member]
Operating loss carryforwards
Canada Revenue Agency [Member] | Foreign Tax Authority [Member]
Operating loss carryforwards	6,969
Canada Revenue Agency [Member] | Foreign Tax Authority [Member] | Tax Year 2022 [Member]
Operating loss carryforwards
Canada Revenue Agency [Member] | Foreign Tax Authority [Member] | Tax Year 2023 [Member]
Operating loss carryforwards
Canada Revenue Agency [Member] | Foreign Tax Authority [Member] | Tax Year 2024 [Member]
Operating loss carryforwards
Canada Revenue Agency [Member] | Foreign Tax Authority [Member] | Tax Year 2025 [Member]
Operating loss carryforwards
Canada Revenue Agency [Member] | Foreign Tax Authority [Member] | Tax Year 2026 [Member]
Operating loss carryforwards
Canada Revenue Agency [Member] | Foreign Tax Authority [Member] | After Tax Year 2026 [Member]
Operating loss carryforwards	6,969
Internal Revenue Service (IRS) [Member] | Domestic Tax Authority [Member] | Tax Year 2022 [Member]
Operating loss carryforwards
Internal Revenue Service (IRS) [Member] | Domestic Tax Authority [Member] | Tax Year 2023 [Member]
Operating loss carryforwards	3
Internal Revenue Service (IRS) [Member] | Domestic Tax Authority [Member] | Tax Year 2024 [Member]
Operating loss carryforwards	16
Internal Revenue Service (IRS) [Member] | Domestic Tax Authority [Member] | Tax Year 2025 [Member]
Operating loss carryforwards	51
Internal Revenue Service (IRS) [Member] | Domestic Tax Authority [Member] | After Tax Year 2026 [Member]
Operating loss carryforwards	2,807
EMEA Income Tax Authority [Member] | Foreign Tax Authority [Member]
Operating loss carryforwards	48,311
EMEA Income Tax Authority [Member] | Foreign Tax Authority [Member] | Tax Year 2022 [Member]
Operating loss carryforwards
EMEA Income Tax Authority [Member] | Foreign Tax Authority [Member] | Tax Year 2023 [Member]
Operating loss carryforwards	341
EMEA Income Tax Authority [Member] | Foreign Tax Authority [Member] | Tax Year 2024 [Member]
Operating loss carryforwards	138
EMEA Income Tax Authority [Member] | Foreign Tax Authority [Member] | Tax Year 2025 [Member]
Operating loss carryforwards
EMEA Income Tax Authority [Member] | Foreign Tax Authority [Member] | Tax Year 2026 [Member]
Operating loss carryforwards
EMEA Income Tax Authority [Member] | Foreign Tax Authority [Member] | After Tax Year 2026 [Member]
Operating loss carryforwards	47,832
Asia Pacific Income Tax Authority [Member] | Foreign Tax Authority [Member]
Operating loss carryforwards	2,836
Asia Pacific Income Tax Authority [Member] | Foreign Tax Authority [Member] | Tax Year 2022 [Member]
Operating loss carryforwards	285
Asia Pacific Income Tax Authority [Member] | Foreign Tax Authority [Member] | Tax Year 2023 [Member]
Operating loss carryforwards	50
Asia Pacific Income Tax Authority [Member] | Foreign Tax Authority [Member] | Tax Year 2024 [Member]
Operating loss carryforwards	67
Asia Pacific Income Tax Authority [Member] | Foreign Tax Authority [Member] | Tax Year 2025 [Member]
Operating loss carryforwards
Asia Pacific Income Tax Authority [Member] | Foreign Tax Authority [Member] | Tax Year 2026 [Member]
Operating loss carryforwards
Asia Pacific Income Tax Authority [Member] | Foreign Tax Authority [Member] | After Tax Year 2026 [Member]
Operating loss carryforwards	$ 2,434

X

- Definition

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32559-109319

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