Quarterly report [Sections 13 or 15(d)]

Inventory - Components of Inventory (Detail)

v3.26.1
Inventory - Components of Inventory (Detail) - USD ($)
Feb. 28, 2026
Nov. 30, 2025
Inventory [Line Items]    
Collection kits $ 38,742 $ 27,763
Inventory reserve (7,718) (7,718)
Total inventory 1,132,991 1,184,794
All Other [Member]    
Inventory [Line Items]    
Work-in-process 178,346 229,698
Finished goods 120,725 131,777
Public Banking [Member]    
Inventory [Line Items]    
Finished goods $ 802,896 $ 803,274