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)

v3.23.2
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, 2023
May 31, 2022
May 31, 2023
May 31, 2022
Nov. 30, 2022
Segment Reporting Information [Line Items]          
Total net revenue $ 7,772,690 $ 7,633,217 $ 15,597,105 $ 14,891,748  
Total cost of sales 2,143,186 2,201,540 4,210,550 4,304,742  
Total operating profit 1,027,898 1,194,374 2,711,069 2,664,796  
Total depreciation and amortization 281,080 279,926 561,924 558,092  
Total interest expense 469,952 276,524 936,183 582,619  
Total assets 68,757,708   68,757,708   $ 64,888,054
Operating Segments [Member]          
Segment Reporting Information [Line Items]          
Total depreciation and amortization 281,080 279,926 561,924 558,092  
Umbilical Cord Blood and Cord Tissue Stem Cell Service [Member]          
Segment Reporting Information [Line Items]          
Total net revenue 7,581,697 7,480,082 15,143,215 14,637,568  
Total cost of sales 1,802,882 1,745,383 3,490,132 3,460,055  
Total operating profit 1,184,513 1,504,699 2,992,206 3,269,912  
Total assets 59,201,874   59,201,874   54,849,697
Umbilical Cord Blood and Cord Tissue Stem Cell Service [Member] | Operating Segments [Member]          
Segment Reporting Information [Line Items]          
Total depreciation and amortization 273,776 272,621 547,315 543,483  
Total interest expense 469,952 276,524 936,183 582,619  
PrepaCyte CB [Member]          
Segment Reporting Information [Line Items]          
Total net revenue 27,177 36,400 59,377 54,600  
Total cost of sales 9,328 22,654 26,450 53,312  
Total operating profit 10,905 6,802 19,038 12,601  
Total assets 138,541   138,541   176,546
PrepaCyte CB [Member] | Operating Segments [Member]          
Segment Reporting Information [Line Items]          
Total depreciation and amortization 6,944 6,945 13,889 13,889  
Public Cord Blood Banking [Member]          
Segment Reporting Information [Line Items]          
Total net revenue 163,816 116,735 394,513 199,580  
Total cost of sales 330,976 433,503 693,968 791,375  
Total operating profit (167,520) (317,127) (300,175) (592,515)  
Total assets 9,417,293   9,417,293   $ 9,861,811
Public Cord Blood Banking [Member] | Operating Segments [Member]          
Segment Reporting Information [Line Items]          
Total depreciation and amortization $ 360 $ 360 $ 720 $ 720