Quarterly report pursuant to Section 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)

v3.22.1
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, 2022
Feb. 28, 2021
Nov. 30, 2021
Segment Reporting Information [Line Items]      
Total net revenue $ 7,258,531 $ 6,860,617  
Total cost of sales 2,103,202 2,012,197  
Total operating profit 1,470,422 1,235,261  
Total depreciation and amortization 278,166 21,263  
Total interest expense 306,095 280,219  
Total assets 54,808,298   $ 60,662,076
Operating Segments [Member]      
Segment Reporting Information [Line Items]      
Total depreciation and amortization 278,166 21,263  
Umbilical Cord Blood and Cord Tissue Stem Cell Service [Member]      
Segment Reporting Information [Line Items]      
Total net revenue 7,157,486 6,738,631  
Total cost of sales 1,714,672 1,640,015  
Total operating profit 1,765,213 1,492,353  
Total interest expense 306,095 280,219  
Total assets 44,302,449   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 270,862 14,368  
PrepaCyte CB [Member]      
Segment Reporting Information [Line Items]      
Total net revenue 18,200 38,000  
Total cost of sales 30,658 34,880  
Total operating profit (19,403) (3,777)  
Total assets 272,372   250,591
PrepaCyte CB [Member] | Operating Segments [Member]      
Segment Reporting Information [Line Items]      
Total depreciation and amortization 6,944 6,895  
Public Cord Blood Banking [Member]      
Segment Reporting Information [Line Items]      
Total net revenue 82,845 83,986  
Total cost of sales 357,872 337,302  
Total operating profit (275,388) $ (253,315)  
Total assets 10,233,477   $ 10,240,598
Public Cord Blood Banking [Member] | Operating Segments [Member]      
Segment Reporting Information [Line Items]      
Total depreciation and amortization $ 360