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Note 12 - Segment Reporting - Summary of Amortizable Intangible Assets by Geographic Region (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Amortizable intangible assets | $ 24,800 | $ 27,506
CANADA |  |
Amortizable intangible assets | 2,349 | 2,736
UNITED STATES |  |
Amortizable intangible assets | 22,451 | 24,770
GERMANY |  |
Amortizable intangible assets | $ 0 | $ 0

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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 926 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483154/926-20-50-5 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482665/350-30-50-2 + Details
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