v3.26.3
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 9 Months Ended
Aug. 31, 2026
Aug. 31, 2025
Aug. 31, 2026
Aug. 31, 2025
Nov. 30, 2025
Segment Reporting Information [Line Items]          
Total net revenue $ 7,824,156 $ 7,825,432 $ 23,283,386 $ 23,723,155  
Total cost of sales 1,613,213 1,801,419 4,946,364 5,642,546  
Total operating profit 2,193,731 1,900,536 4,156,206 4,449,181  
Total depreciation and amortization 184,479 185,693 552,695 567,648  
Total interest expense 438,305 538,219 1,342,931 1,584,307  
Total assets 62,302,699   62,302,699   $ 61,728,514
Operating Segments [Member]          
Segment Reporting Information [Line Items]          
Total depreciation and amortization 184,479 185,693 552,695 567,648  
Umbilical Cord Blood and Cord Tissue Stem Cell Service [Member]          
Segment Reporting Information [Line Items]          
Total net revenue 7,650,234 7,820,877 23,008,793 23,558,484  
Total cost of sales 1,434,684 1,666,952 4,533,144 5,020,695  
Total operating profit 2,198,587 2,032,929 4,295,579 4,922,731  
Total assets 61,402,075   61,402,075   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 184,230 183,212 551,949 551,278  
Total interest expense 438,305 538,219 1,342,931 1,584,307  
PrepaCyte CB [Member]          
Segment Reporting Information [Line Items]          
Total net revenue 38,922 436 91,698 35,785  
Total cost of sales 18,848 2,295 36,818 13,537  
Total operating profit 19,825 (4,340) 54,134 5,878  
Total assets 87,714   87,714   135,379
PrepaCyte CB [Member] | Operating Segments [Member]          
Segment Reporting Information [Line Items]          
Total depreciation and amortization 249 2,481 746 16,370  
Public Cord Blood Banking [Member]          
Segment Reporting Information [Line Items]          
Total net revenue 135,000 4,119 182,895 128,886  
Total cost of sales 159,681 132,172 376,402 608,314  
Total operating profit (24,681) $ (128,053) (193,507) $ (479,428)  
Total assets $ 812,910   $ 812,910   $ 804,813