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)

v3.24.2
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, 2024
May 31, 2023
May 31, 2024
May 31, 2023
Nov. 30, 2023
Segment Reporting Information [Line Items]          
Total net revenue $ 8,042,811 $ 7,772,690 $ 15,895,046 $ 15,597,105  
Total cost of sales 2,024,750 2,143,186 4,185,218 4,210,550  
Total operating profit 1,391,518 1,027,898 2,212,741 2,711,069  
Total depreciation and amortization 59,798 281,080 92,984 561,924  
Total interest expense 329,273 469,952 585,732 936,183  
Total assets 62,566,596   62,566,596   $ 61,220,770
Operating Segments [Member]          
Segment Reporting Information [Line Items]          
Total depreciation and amortization 59,798 281,080 92,984 561,924  
Umbilical Cord Blood and Cord Tissue Stem Cell Service [Member]          
Segment Reporting Information [Line Items]          
Total net revenue 7,965,500 7,581,697 15,771,022 15,143,215  
Total cost of sales 1,830,453 1,802,882 3,715,019 3,490,132  
Total operating profit 1,515,506 1,184,513 2,573,225 2,992,206  
Total assets 56,915,873   56,915,873   55,471,149
Umbilical Cord Blood and Cord Tissue Stem Cell Service [Member] | Operating Segments [Member]          
Segment Reporting Information [Line Items]          
Total depreciation and amortization 52,796 273,776 78,675 547,315  
Total interest expense 329,273 469,952 585,732 936,183  
PrepaCyte CB [Member]          
Segment Reporting Information [Line Items]          
Total net revenue 35,834 27,177 38,834 59,377  
Total cost of sales 10,380 9,328 35,863 26,450  
Total operating profit 18,510 10,905 (10,918) 19,038  
Total assets 111,921   111,921   148,040
PrepaCyte CB [Member] | Operating Segments [Member]          
Segment Reporting Information [Line Items]          
Total depreciation and amortization 6,944 6,944 13,889 13,889  
Public Cord Blood Banking [Member]          
Segment Reporting Information [Line Items]          
Total net revenue 41,477 163,816 85,190 394,513  
Total cost of sales 183,917 330,976 434,336 693,968  
Total operating profit (142,498) (167,520) (349,566) (300,175)  
Total assets 5,538,802   5,538,802   $ 5,601,581
Public Cord Blood Banking [Member] | Operating Segments [Member]          
Segment Reporting Information [Line Items]          
Total depreciation and amortization $ 58 $ 360 $ 420 $ 720