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

Inventory - Components of Inventory (Detail)

v3.25.4
Inventory - Components of Inventory (Detail) - USD ($)
Nov. 30, 2025
Nov. 30, 2024
Inventory [Line Items]    
Collection kits $ 27,763 $ 48,813
Inventory reserve (7,718) (7,718)
Total inventory 1,184,794 5,599,818
All Other [Member]    
Inventory [Line Items]    
Work-in-process 229,698 207,291
Finished goods 131,777 71,566
Public Banking [Member]    
Inventory [Line Items]    
Finished goods $ 803,274 $ 5,279,866