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v3.26.1

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 | 6 Months Ended |
--- | --- | --- | ---
May 31, 2026 | May 31, 2025 | May 31, 2026 | May 31, 2025 | Nov. 30, 2025
Segment Reporting Information [Line Items] |  |  |  |  |
Total net revenue | $ 7,776,113 | $ 7,928,843 | $ 15,459,230 | $ 15,897,723 |
Total cost of sales | 1,676,663 | 1,856,539 | 3,333,151 | 3,841,127 |
Total operating profit | 1,197,341 | 1,492,634 | 1,962,475 | 2,548,645 |
Total depreciation and amortization | 184,329 | 190,102 | 368,216 | 381,955 |
Total interest expense | 441,917 | 551,126 | 904,626 | 1,046,088 |
Total assets | 60,706,430 |  | 60,706,430 |  | $ 61,728,514
Operating Segments [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total depreciation and amortization | 184,329 | 190,102 | 368,216 | 381,955 |
Umbilical Cord Blood and Cord Tissue Stem Cell Service [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total net revenue | 7,715,446 | 7,871,719 | 15,358,559 | 15,737,607 |
Total cost of sales | 1,554,459 | 1,652,108 | 3,098,460 | 3,353,743 |
Total operating profit | 1,259,127 | 1,646,885 | 2,096,992 | 2,889,802 |
Total assets | 59,799,263 |  | 59,799,263 |  | 60,788,322
Umbilical Cord Blood and Cord Tissue Stem Cell Service [Member] | Operating Segments [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total depreciation and amortization | 184,080 | 183,158 | 367,719 | 368,066 |
Total interest expense | 441,917 | 551,126 | 904,626 | 1,046,088 |
PrepaCyte CB [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total net revenue | 14,182 | 14,436 | 52,776 | 35,349 |
Total cost of sales | 5,783 | 4,283 | 17,970 | 11,242 |
Total operating profit | 8,150 | 3,209 | 34,309 | 10,218 |
Total assets | 122,149 |  | 122,149 |  | 135,379
PrepaCyte CB [Member] | Operating Segments [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total depreciation and amortization | 249 | 6,944 | 497 | 13,889 |
Public Cord Blood Banking [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total net revenue | 46,485 | 42,688 | 47,895 | 124,767 |
Total cost of sales | 116,421 | 200,148 | 216,721 | 476,142 |
Total operating profit | (69,936) | $ (157,460) | (168,826) | $ (351,375) |
Total assets | $ 785,018 |  | $ 785,018 |  | $ 804,813

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