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v3.22.1

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 |
--- | --- | ---
Feb. 28, 2022 | Feb. 28, 2021 | Nov. 30, 2021
Segment Reporting Information [Line Items] |  |  |
Total net revenue | $ 7,258,531 | $ 6,860,617 |
Total cost of sales | 2,103,202 | 2,012,197 |
Total operating profit | 1,470,422 | 1,235,261 |
Total depreciation and amortization | 278,166 | 21,263 |
Total interest expense | 306,095 | 280,219 |
Total assets | 54,808,298 |  | $ 60,662,076
Operating Segments [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Total depreciation and amortization | 278,166 | 21,263 |
Umbilical Cord Blood and Cord Tissue Stem Cell Service [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Total net revenue | 7,157,486 | 6,738,631 |
Total cost of sales | 1,714,672 | 1,640,015 |
Total operating profit | 1,765,213 | 1,492,353 |
Total interest expense | 306,095 | 280,219 |
Total assets | 44,302,449 |  | 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 | 270,862 | 14,368 |
PrepaCyte CB [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Total net revenue | 18,200 | 38,000 |
Total cost of sales | 30,658 | 34,880 |
Total operating profit | (19,403) | (3,777) |
Total assets | 272,372 |  | 250,591
PrepaCyte CB [Member] | Operating Segments [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Total depreciation and amortization | 6,944 | 6,895 |
Public Cord Blood Banking [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Total net revenue | 82,845 | 83,986 |
Total cost of sales | 357,872 | 337,302 |
Total operating profit | (275,388) | $ (253,315) |
Total assets | 10,233,477 |  | $ 10,240,598
Public Cord Blood Banking [Member] | Operating Segments [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Total depreciation and amortization | $ 360 |  |

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