Quarterly report pursuant to Section 13 or 15(d)

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

v3.20.1
Segment Reporting - Summary of Net Revenue, Cost of Sales, Depreciation and Amortization, Operating Profit, Interest Expense, Income Tax (Expense) Benefit and Assets by Segment (Detail) - USD ($)
 3 Months Ended
Feb. 29, 2020
Feb. 28, 2019
Nov. 30, 2019
Nov. 30, 2018
Segment Reporting Information [Line Items]        
Total net revenue $ 7,620,774 $ 7,495,112    
Total cost of sales 2,503,144 2,466,227    
Total operating profit 1,249,070 853,662    
Total depreciation and amortization 44,221 56,980    
Total interest expense 365,299 406,925    
Total income tax (expense) benefit 252,380 104,667    
Total assets 44,730,446   $ 42,886,160 $ 42,886,160
Umbilical Cord Blood and Cord Tissue Stem Cell Service [Member]        
Segment Reporting Information [Line Items]        
Total net revenue 7,406,288 7,335,027    
Total cost of sales 2,055,075 2,038,616    
Total depreciation and amortization 37,327 47,917    
Total interest expense 365,299 406,925    
Total income tax (expense) benefit 252,380 104,667    
PrepaCyte CB [Member]        
Segment Reporting Information [Line Items]        
Total net revenue 60,407 25,720    
Total cost of sales 41,117 160,006    
Total depreciation and amortization 6,894 9,063    
Total interest expense 0      
Total income tax (expense) benefit 0      
Public Cord Blood Banking [Member]        
Segment Reporting Information [Line Items]        
Total net revenue 154,079 134,365    
Total cost of sales 406,952 267,605    
Total depreciation and amortization 0      
Total interest expense 0      
Total income tax (expense) benefit 0      
Operating Segments [Member]        
Segment Reporting Information [Line Items]        
Total depreciation and amortization 44,221 56,980    
Operating Segments [Member] | Umbilical Cord Blood and Cord Tissue Stem Cell Service [Member]        
Segment Reporting Information [Line Items]        
Total operating profit 1,489,548 1,130,251    
Operating Segments [Member] | PrepaCyte CB [Member]        
Segment Reporting Information [Line Items]        
Total operating profit 12,396 (143,349)    
Operating Segments [Member] | Public Cord Blood Banking [Member]        
Segment Reporting Information [Line Items]        
Total operating profit (252,874)      
Umbilical Cord Blood and Cord Tissue Stem Cell Service [Member]        
Segment Reporting Information [Line Items]        
Total assets 31,001,108     28,975,002
PrepaCyte CB [Member]        
Segment Reporting Information [Line Items]        
Total assets 270,095     289,804
Public Cord Blood Banking [Member]        
Segment Reporting Information [Line Items]        
Total assets $ 13,459,243     $ 13,621,354
Public Cord Blood Banking [Member] | Operating Segments [Member]        
Segment Reporting Information [Line Items]        
Total operating profit   $ (133,240)