Quarterly report [Sections 13 or 15(d)]

Segment Reporting - Summary of Net Revenue, Cost of Sales, Depreciation and Amortization, Operating Profit, and Interest Expense and Assets by Segment (Detail)

v3.25.1
Segment Reporting - Summary of Net Revenue, Cost of Sales, Depreciation and Amortization, Operating Profit, and Interest Expense and Assets by Segment (Detail) - USD ($)
 3 Months Ended
Feb. 28, 2025
Feb. 29, 2024
Nov. 30, 2024
Nov. 30, 2023
Segment Reporting Information [Line Items]        
Total net revenue $ 7,968,880 $ 7,852,235    
Total cost of sales 1,984,588 2,066,371    
Total operating profit 1,056,011 821,223    
Total depreciation and amortization 191,853 33,186    
Total interest expense 494,962 256,459    
Total assets 64,381,067   $ 64,677,633 $ 64,677,633
Operating Segments [Member]        
Segment Reporting Information [Line Items]        
Total depreciation and amortization 191,853 33,186    
Umbilical Cord Blood and Cord Tissue Stem Cell Service [Member]        
Segment Reporting Information [Line Items]        
Total net revenue 7,865,888 7,805,522    
Total cost of sales 1,701,635 1,790,469    
Total operating profit 1,242,917 1,057,719    
Total assets 59,022,278     59,259,451
Umbilical Cord Blood and Cord Tissue Stem Cell Service [Member] | Operating Segments [Member]        
Segment Reporting Information [Line Items]        
Total depreciation and amortization 184,908 25,879    
Total interest expense 494,962 256,459    
PrepaCyte CB [Member]        
Segment Reporting Information [Line Items]        
Total net revenue 20,913 3,000    
Total cost of sales 6,959 25,483    
Total operating profit 7,009 (29,428)    
Total depreciation and amortization   6,945    
Total assets 117,466     138,169
PrepaCyte CB [Member] | Operating Segments [Member]        
Segment Reporting Information [Line Items]        
Total depreciation and amortization 6,945      
Public Cord Blood Banking [Member]        
Segment Reporting Information [Line Items]        
Total net revenue 82,079 43,713    
Total cost of sales 275,994 250,419    
Total operating profit (193,915) (207,068)    
Total assets $ 5,241,323     $ 5,280,013
Public Cord Blood Banking [Member] | Operating Segments [Member]        
Segment Reporting Information [Line Items]        
Total depreciation and amortization   $ 362