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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, 2020 | Nov. 30, 2019
Segment Reporting Information [Line Items] |  |
Total net revenue | $ 31,147,593 | $ 31,816,571
Total cost of sales | 9,657,442 | 10,036,175
Total operating profit | 7,661,597 | 5,062,706
Total depreciation and amortization | 166,437 | 206,238
Total interest expense | 1,544,017 | 1,703,446
Total assets | 46,200,094 | 42,886,160
Umbilical Cord Blood and Cord Tissue Stem Cell Service [Member] |  |
Segment Reporting Information [Line Items] |  |
Total assets | 34,215,780 | 28,975,002
PrepaCyte CB [Member] |  |
Segment Reporting Information [Line Items] |  |
Total assets | 302,683 | 289,804
Public Cord Blood Banking [Member] |  |
Segment Reporting Information [Line Items] |  |
Total assets | 11,681,631 | 13,621,354
Operating Segments [Member] |  |
Segment Reporting Information [Line Items] |  |
Total depreciation and amortization | 372,289 | 401,311
Umbilical Cord Blood and Cord Tissue Stem Cell Service [Member] |  |
Segment Reporting Information [Line Items] |  |
Total net revenue | 30,176,852 | 30,991,972
Total cost of sales | 7,731,227 | 8,490,824
Total operating profit | 9,928,886 | 8,152,475
Total interest expense | 1,544,017 | 1,703,446
Umbilical Cord Blood and Cord Tissue Stem Cell Service [Member] | Operating Segments [Member] |  |
Segment Reporting Information [Line Items] |  |
Total depreciation and amortization | 344,711 | 365,057
PrepaCyte CB [Member] |  |
Segment Reporting Information [Line Items] |  |
Total net revenue | 244,187 | 172,395
Total cost of sales | 156,111 | 249,487
Total operating profit | 60,499 | (113,346)
PrepaCyte CB [Member] | Operating Segments [Member] |  |
Segment Reporting Information [Line Items] |  |
Total depreciation and amortization | 27,578 | 36,254
Public Cord Blood Banking [Member] |  |
Segment Reporting Information [Line Items] |  |
Total net revenue | 726,554 | 652,204
Total cost of sales | 1,770,104 | 1,295,864
Total operating profit | $ (2,327,788) | $ (2,976,423)

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