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Note 11 - Intangible Assets (Tables)

6 Months Ended

May 31, 2023

Notes Tables

Schedule of Intangible Assets and Goodwill [Table Text Block]

					Balance at May 31, 2023												Balance at November 30, 2022
		Estimated Useful Lives in Years			Gross Carrying Amount				Accumulated Amortization				Net Carrying Amount				Gross Carrying Amount				Accumulated Amortization				Net Carrying Amount
Patents		10-17			$	3,931			$	(596	)		$	3,335			$	3,931			$	(468	)		$	3,463
Trademarks		Indefinite				360				—				360				360				—				360
Customer List		2				70				(38	)			32				70				(21	)			49
Total					$	4,361			$	(634	)		$	3,727			$	4,361			$	(489	)		$	3,872

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

Fiscal Year Ending November 30,
2023 (six months)		$	145
2024			272
2025			254
2026			254
2027			254
Thereafter			2,188
Total		$	3,367

X

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Tabular disclosure of goodwill and intangible assets, which may be broken down by segment or major class.

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-SubTopic 20
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+ References

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-Topic 350
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-Section 50
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