Quarterly report [Sections 13 or 15(d)]

Inventory - Components of Inventory (Detail)

v3.25.3
Inventory - Components of Inventory (Detail) - USD ($)
Aug. 31, 2025
Nov. 30, 2024
Inventory [Line Items]    
Collection kits $ 26,312 $ 48,813
Inventory reserve (7,718) (7,718)
Total inventory 5,520,088 5,599,818
All Other [Member]    
Inventory [Line Items]    
Work-in-process 269,907 207,291
Finished goods 68,367 71,566
Public Banking [Member]    
Inventory [Line Items]    
Finished goods $ 5,163,220 $ 5,279,866