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Note 18 - Income Taxes (Details Textual) - USD ($) $ in Thousands | 12 Months Ended
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Nov. 30, 2022 | Nov. 30, 2021
Deferred Tax Assets, Valuation Allowance | $ 7,839 | $ 6,551
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount | $ 1,200 | $ 300
Percentage of Cumulative Ownership Change | 17.08% |
State and Local Jurisdiction [Member] |  |
Tax Credit Carryforward, Amount | $ 30 |
Operating Loss Carryforwards, Subject to Expiration | 7,800 |
Domestic Tax Authority [Member] |  |
Operating Loss Carryforwards, Subject to Expiration | 28,800 |
Operating Loss Carryforwards, Not Subject to Expiration | $ 13,200 |

X
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319 + Details
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- Definition Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319 + Details
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