Quarterly report pursuant to Section 13 or 15(d)

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

v3.23.1
Note 11 - Intangible Assets - Components of Intangible Assets (Details) - USD ($)
$ in Thousands
 3 Months Ended
Feb. 28, 2023
Nov. 30, 2022
Nov. 30, 2021
Intangible assets, gross carrying amount $ 4,361   $ 4,361
Intangible assets, accumulated amortization (561)   (489)
Intangible assets, net carrying amount 3,800 $ 3,872 3,872
Intangible assets, net carrying amount 3,800 $ 3,872 3,872
Trademarks [Member]      
Intangible assets, gross carrying amount 360   360
Intangible assets, net 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 (532)   (468)
Intangible assets, net carrying amount 3,399   3,463
Intangible assets, net carrying amount $ 3,399   3,463
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 (29)   (21)
Intangible assets, net carrying amount 41   49
Intangible assets, net carrying amount $ 41   $ 49