Quarterly report [Sections 13 or 15(d)]

Inventory - Components of Inventory (Detail)

v3.26.1
Inventory - Components of Inventory (Detail) - USD ($)
May 31, 2026
Nov. 30, 2025
Inventory [Line Items]    
Collection kits $ 28,996 $ 27,763
Inventory reserve (7,718) (7,718)
Total inventory 1,070,170 1,184,794
All Other [Member]    
Inventory [Line Items]    
Work-in-process 184,238 229,698
Finished goods 80,817 131,777
Public Banking [Member]    
Inventory [Line Items]    
Finished goods $ 783,837 $ 803,274