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Note 9 - Intangible Assets - Components of Intangible Assets (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Nov. 30, 2022 | Nov. 30, 2021
Intangible assets, gross carrying amount | $ 4,361 | $ 3,895
Intangible assets, accumulated amortization | (489) | (227)
Intangible assets, net carrying amount | 3,872 | 3,668
Intangible assets, net carrying amount | 3,872 | 3,668
Trademarks [Member] |  |
Intangible assets, gross carrying amount | 360 | 0
Intangible assets, accumulated amortization |  | 0
Intangible assets, net carrying amount | 360 | 0
Intangible assets, net carrying amount | 360 | 0
Patents [Member] |  |
Intangible assets, gross carrying amount | 3,931 | 3,895
Intangible assets, accumulated amortization | (468) | (227)
Intangible assets, net carrying amount | 3,463 | 3,668
Intangible assets, net carrying amount | $ 3,463 | 3,668
Patents [Member] | Minimum [Member] |  |
Finite lived intangible assets, useful life (Year) | 10 years |
Patents [Member] | Maximum [Member] |  |
Finite lived intangible assets, useful life (Year) | 17 years |
Customer Lists [Member] |  |
Finite lived intangible assets, useful life (Year) | 2 years |
Intangible assets, gross carrying amount | $ 70 | 0
Intangible assets, accumulated amortization | (21) | 0
Intangible assets, net carrying amount | 49 | 0
Intangible assets, net carrying amount | $ 49 | $ 0

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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Accumulated amount of 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 -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(16)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Amount before accumulated amortization of intangible assets, excluding goodwill. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(15)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph ((a)(1),(b)) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274 + Details
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