Quarterly report pursuant to Section 13 or 15(d)

Note 11 - Intangible Assets - Components of Intangible Assets (Details)

v3.24.1
Note 11 - Intangible Assets - Components of Intangible Assets (Details) - USD ($)
$ in Thousands
Feb. 29, 2024
Nov. 30, 2023
Intangible assets, gross carrying amount $ 4,361 $ 4,361
Intangible assets, accumulated amortization (851) (778)
Intangible assets, net carrying amount 3,510 3,583
Trademarks [Member]    
Intangible assets, gross carrying amount 360 360
Intangible assets, net carrying amount 360 360
Patents [Member]    
Intangible assets, gross carrying amount 3,931 3,931
Intangible assets, accumulated amortization (787) (723)
Intangible assets, net carrying amount $ 3,144 3,208
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 70
Intangible assets, accumulated amortization (64) (55)
Intangible assets, net carrying amount $ 6 $ 15