Annual report pursuant to Section 13 and 15(d)

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

v3.22.4
Segment Reporting - Summary of Net Revenue, Cost of Sales, Depreciation and Amortization, Operating Profit, Interest Expense and Assets by Segment (Detail) - USD ($)
 12 Months Ended
Nov. 30, 2022
Nov. 30, 2021
Segment Reporting Information [Line Items]    
Total net revenue $ 30,336,749 $ 28,884,902
Total cost of sales 8,792,358 8,989,736
Total operating profit 4,024,467 4,018,233
Total depreciation and amortization 1,119,528 834,845
Total interest expense 1,521,767 1,378,926
Total assets 64,888,054 60,662,076
Operating Segments [Member]    
Segment Reporting Information [Line Items]    
Total depreciation and amortization 1,119,528 834,845
Umbilical Cord Blood and Cord Tissue Stem Cell Service [Member]    
Segment Reporting Information [Line Items]    
Total net revenue 29,771,123 28,397,401
Total cost of sales 7,095,113 7,351,410
Total operating profit 5,185,305 6,362,172
Total assets 54,849,697 50,170,887
Umbilical Cord Blood and Cord Tissue Stem Cell Service [Member] | Operating Segments [Member]    
Segment Reporting Information [Line Items]    
Total depreciation and amortization 1,090,309 806,230
PrepaCyte CB [Member]    
Segment Reporting Information [Line Items]    
Total net revenue 104,000 111,400
Total cost of sales 100,715 154,140
Total operating profit (24,493) (70,335)
Total assets 176,546 250,591
PrepaCyte CB [Member] | Operating Segments [Member]    
Segment Reporting Information [Line Items]    
Total depreciation and amortization 27,778 27,595
Public Cord Blood Banking [Member]    
Segment Reporting Information [Line Items]    
Total net revenue 461,626 376,101
Total cost of sales 1,596,530 1,484,186
Total operating profit (1,136,345) (2,273,604)
Total assets 9,861,811 10,240,598
Public Cord Blood Banking [Member] | Operating Segments [Member]    
Segment Reporting Information [Line Items]    
Total depreciation and amortization $ 1,441 $ 1,020