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Note 13 - Intangible Assets (Tables)

3 Months Ended

Feb. 28, 2025

Notes Tables

Schedule of Intangible Assets and Goodwill [Table Text Block]

						Balance at February 28, 2025												Balance at November 30, 2024
		Estimated Useful Lives in Years				Gross Carrying Amount				Accumulated Amortization				Net Carrying Amount				Gross Carrying Amount				Accumulated Amortization				Net Carrying Amount
Patents			10-17			$	3,955			$	(1,042	)		$	2,913			$	3,955			$	(978	)		$	2,977
Trademarks		Indefinite					360				—				360				360				—				360
Customer List			2				70				(70	)			—				70				(70	)			—
Total						$	4,385			$	(1,112	)		$	3,273			$	4,385			$	(1,048	)		$	3,337

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

Fiscal Year Ending November 30,
2025 (remaining nine months)		$	192
2026			257
2027			257
2028			257
2029			257
Thereafter			1,693
Total		$	2,913

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 350
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- Definition

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+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 350
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