Quarterly report pursuant to Section 13 or 15(d)

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

v3.20.2
Segment Reporting - Summary of Net Revenue, Cost of Sales, Depreciation and Amortization, Operating Profit, Interest Expense, Income Tax (Expense) Benefit and Assets by Segment (Detail) - USD ($)
 3 Months Ended 9 Months Ended
Aug. 31, 2020
Aug. 31, 2019
Aug. 31, 2020
Aug. 31, 2019
Nov. 30, 2019
Segment Reporting Information [Line Items]          
Total net revenue $ 8,114,358 $ 8,223,393 $ 23,606,976 $ 23,846,357  
Total cost of sales 2,360,324 2,589,335 7,344,011 7,683,853  
Total depreciation and amortization 42,510 47,286 130,034 159,600  
Total operating income 2,480,221 1,993,081 5,481,477 3,343,307  
Total interest expense 338,675 413,942 1,069,345 1,245,154  
Total income tax expense 151,570 498,748 783,960 654,358  
Total assets 44,440,163   44,440,163   $ 42,886,160
Umbilical Cord Blood and Cord Tissue Stem Cell Service [Member]          
Segment Reporting Information [Line Items]          
Total assets 30,896,188   30,896,188   28,975,002
PrepaCyte CB [Member]          
Segment Reporting Information [Line Items]          
Total assets 291,117   291,117   289,804
Public Cord Blood Banking [Member]          
Segment Reporting Information [Line Items]          
Total assets 13,252,858   13,252,858   $ 13,621,354
Umbilical Cord Blood and Cord Tissue Stem Cell Service [Member]          
Segment Reporting Information [Line Items]          
Total net revenue 7,914,732 8,029,797 22,921,922 23,246,521  
Total cost of sales 1,911,141 2,240,257 5,932,655 6,497,788  
Total depreciation and amortization 35,616 38,223 109,351 132,409  
Total operating income 2,736,798 2,175,563 6,229,222 6,307,426  
Total interest expense 338,675 413,942 1,069,345 1,245,154  
Total income tax expense 151,570 498,748 783,960 654,358  
PrepaCyte CB [Member]          
Segment Reporting Information [Line Items]          
Total net revenue 82,800 33,035 200,507 70,795  
Total cost of sales 55,021 25,180 128,154 189,806  
Total depreciation and amortization 6,894 9,063 20,683 27,191  
Total operating income 21,291 (19,146) 51,671 (164,141)  
Public Cord Blood Banking [Member]          
Segment Reporting Information [Line Items]          
Total net revenue 116,826 160,561 484,547 529,041  
Total cost of sales 394,162 323,898 1,283,202 996,259  
Total operating income $ (277,868) $ (163,336) $ (799,416) $ (2,799,978)