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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, 2023 | Nov. 30, 2022
Segment Reporting Information [Line Items] |  |
Total net revenue | $ 31,343,695 | $ 30,336,749
Total cost of sales | 8,442,310 | 8,792,358
Total operating (loss) profit | (12,304,032) | 4,024,467
Total depreciation and amortization | 1,124,228 | 1,119,528
Total interest expense | 1,236,794 | 1,521,767
Total assets | 61,220,770 | 64,888,054
Operating Segments [Member] |  |
Segment Reporting Information [Line Items] |  |
Total depreciation and amortization | 1,124,228 | 1,119,528
Umbilical Cord Blood and Cord Tissue Stem Cell Service [Member] |  |
Segment Reporting Information [Line Items] |  |
Total net revenue | 30,796,091 | 29,771,123
Total cost of sales | 7,268,724 | 7,095,113
Total operating (loss) profit | (7,911,698) | 5,185,305
Total assets | 55,471,149 | 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 | 1,095,009 | 1,090,309
Total interest expense | 1,236,794 | 1,521,767
PrepaCyte CB [Member] |  |
Segment Reporting Information [Line Items] |  |
Total net revenue | 66,456 | 104,000
Total cost of sales | 35,490 | 100,715
Total operating (loss) profit | 3,188 | (24,493)
Total assets | 148,040 | 176,546
PrepaCyte CB [Member] | Operating Segments [Member] |  |
Segment Reporting Information [Line Items] |  |
Total depreciation and amortization | 27,778 | 27,778
Public Cord Blood Banking [Member] |  |
Segment Reporting Information [Line Items] |  |
Total net revenue | 481,148 | 461,626
Total cost of sales | 1,138,096 | 1,596,530
Total operating (loss) profit | (4,395,522) | (1,136,345)
Total assets | 5,601,581 | 9,861,811
Public Cord Blood Banking [Member] | Operating Segments [Member] |  |
Segment Reporting Information [Line Items] |  |
Total depreciation and amortization | $ 1,441 | $ 1,441

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