Annual report [Section 13 and 15(d), not S-K Item 405]

Intangible Assets - Schedule of Intangible Assets (Detail)

v3.25.4
Intangible Assets - Schedule of Intangible Assets (Detail) - USD ($)
Nov. 30, 2025
Nov. 30, 2024
Finite-Lived Intangible Assets [Line Items]    
Net Intangible Assets $ 863,074 $ 921,254
Patents [Member]    
Finite-Lived Intangible Assets [Line Items]    
Finite lived intangible assets, gross 697,744 697,744
Less: Intangible asset impairment (377,810) (377,810)
Less: Accumulated amortization $ (183,682) (172,058)
Patents [Member] | Minimum [Member]    
Finite-Lived Intangible Assets [Line Items]    
Useful lives 10 years  
Patents [Member] | Maximum [Member]    
Finite-Lived Intangible Assets [Line Items]    
Useful lives 20 years  
License Agreement [Member]    
Finite-Lived Intangible Assets [Line Items]    
Useful lives 10 years  
Finite lived intangible assets, gross $ 474,000 474,000
Less: Intangible asset impairment (185,000) (185,000)
Less: Accumulated amortization $ (285,818) (272,055)
Customer Relationships [Member]    
Finite-Lived Intangible Assets [Line Items]    
Useful lives 15 years  
Finite lived intangible assets, gross $ 41,000 41,000
Less: Intangible asset impairment (26,267) (26,267)
Less: Accumulated amortization $ (11,093) (10,300)
Brand [Member]    
Finite-Lived Intangible Assets [Line Items]    
Useful lives 1 year  
Finite lived intangible assets, gross $ 31,000 31,000
Less: Accumulated amortization $ (31,000) (31,000)
Customer Relationships One [Member]    
Finite-Lived Intangible Assets [Line Items]    
Useful lives 30 years  
Finite lived intangible assets, gross $ 960,000 960,000
Less: Accumulated amortization $ (240,000) $ (208,000)