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)

v3.22.2
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 6 Months Ended
May 31, 2022
May 31, 2021
May 31, 2022
May 31, 2021
Nov. 30, 2021
Segment Reporting Information [Line Items]          
Total net revenue $ 7,633,217 $ 7,205,195 $ 14,891,748 $ 14,065,812  
Total cost of sales 2,201,540 2,222,671 4,304,742 4,234,868  
Total operating profit 1,194,374 1,995,068 2,664,796 3,230,329  
Total depreciation and amortization 279,926 267,422 558,092 288,685  
Total interest expense 276,524 341,390 582,619 621,609  
Total assets 55,394,946   55,394,946   $ 60,662,076
Operating Segments [Member]          
Segment Reporting Information [Line Items]          
Total depreciation and amortization 279,926 267,422 558,092 288,685  
Umbilical Cord Blood and Cord Tissue Stem Cell Service [Member]          
Segment Reporting Information [Line Items]          
Total net revenue 7,480,082 7,158,886 14,637,568 13,897,517  
Total cost of sales 1,745,383 1,869,769 3,460,055 3,509,784  
Total operating profit 1,504,699 2,308,856 3,269,912 3,801,209  
Total interest expense 276,524 341,390 582,619 621,609  
Total assets 45,069,694 50,170,887 45,069,694 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 272,621 260,226 543,483 274,594  
PrepaCyte CB [Member]          
Segment Reporting Information [Line Items]          
Total net revenue 36,400 0 54,600 38,000  
Total cost of sales 22,654 41,203 53,312 76,084  
Total operating profit 6,802 (48,097) (12,601) (51,873)  
Total assets 198,177 250,591 198,177 250,591  
PrepaCyte CB [Member] | Operating Segments [Member]          
Segment Reporting Information [Line Items]          
Total depreciation and amortization 6,945 6,894 13,889 13,789  
Public Cord Blood Banking [Member]          
Segment Reporting Information [Line Items]          
Total net revenue 116,735 46,309 199,580 130,295  
Total cost of sales 433,503 311,699 791,375 649,000  
Total operating profit (317,127) (265,691) (592,515) (519,007)  
Total assets 10,127,075 10,240,598 10,127,075 10,240,598  
Public Cord Blood Banking [Member] | Operating Segments [Member]          
Segment Reporting Information [Line Items]          
Total depreciation and amortization $ 360 $ 302 $ 720 $ 302