Quarterly report pursuant to Section 13 or 15(d)

Segment Reporting - Summary of Net Revenue, Cost of Sales, Depreciation and Amortization, Operating Profit, and Interest Expense and Assets by Segment (Detail)

v3.24.3
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, 2024
Aug. 31, 2023
Aug. 31, 2024
Aug. 31, 2023
Nov. 30, 2023
Segment Reporting Information [Line Items]          
Total net revenue $ 8,066,715 $ 7,869,875 $ 23,961,761 $ 23,466,980  
Total cost of sales 2,125,846 2,156,187 6,311,064 6,366,737  
Total operating profit 1,389,890 1,161,044 3,602,631 3,872,113  
Total depreciation and amortization 194,559 281,277 287,543 843,201  
Total interest expense 533,464 469,642 1,119,196 1,405,825  
Total assets 62,934,473   62,934,473   $ 61,220,770
Operating Segments [Member]          
Segment Reporting Information [Line Items]          
Total depreciation and amortization 194,559 281,277 287,543 843,201  
Umbilical Cord Blood and Cord Tissue Stem Cell Service [Member]          
Segment Reporting Information [Line Items]          
Total net revenue 7,945,470 7,862,949 23,716,492 23,006,164  
Total cost of sales 1,859,090 1,976,278 5,574,109 5,466,410  
Total operating profit 1,542,346 1,341,332 4,115,571 4,333,538  
Total assets 57,318,175   57,318,175   55,471,149
Umbilical Cord Blood and Cord Tissue Stem Cell Service [Member] | Operating Segments [Member]          
Segment Reporting Information [Line Items]          
Total depreciation and amortization 187,614 273,972 266,289 821,287  
Total interest expense 533,464 469,642 1,119,196 1,405,825  
PrepaCyte CB [Member]          
Segment Reporting Information [Line Items]          
Total net revenue 636 2,543 39,470 61,920  
Total cost of sales 1,220 982 37,083 27,432  
Total operating profit (7,529) (5,384) (18,447) 13,654  
Total assets 149,112   149,112   148,040
PrepaCyte CB [Member] | Operating Segments [Member]          
Segment Reporting Information [Line Items]          
Total depreciation and amortization 6,945 6,945 20,834 20,834  
Public Cord Blood Banking [Member]          
Segment Reporting Information [Line Items]          
Total net revenue 120,609 4,383 205,799 398,896  
Total cost of sales 265,536 178,927 699,872 872,895  
Total operating profit (144,927) (174,904) (494,493) (475,079)  
Total assets $ 5,467,186   5,467,186   $ 5,601,581
Public Cord Blood Banking [Member] | Operating Segments [Member]          
Segment Reporting Information [Line Items]          
Total depreciation and amortization   $ 360 $ 420 $ 1,080