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)

v3.19.3
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, 2019
Aug. 31, 2018
Aug. 31, 2019
Aug. 31, 2018
Nov. 30, 2018
Segment Reporting Information [Line Items]          
Total net revenue $ 8,223,393 $ 7,871,222 $ 23,846,357 $ 20,624,803  
Total cost of sales 2,589,335 2,486,180 7,683,853 5,864,826  
Total operating income 1,993,081 920,122 3,343,307 3,056,995  
Total depreciation and amortization 47,286 52,072 159,600 124,865  
Total interest expense 413,942 410,366 1,245,154 995,437  
Total income tax expense 498,748 303,072 654,358 3,821,660  
Total assets 41,827,756   41,827,756   $ 42,390,143
Umbilical Cord Blood and Cord Tissue Stem Cell Service [Member]          
Segment Reporting Information [Line Items]          
Total net revenue 8,029,797 7,776,339 23,246,521 20,475,020  
Total cost of sales 2,240,257 2,149,778 6,497,788 5,431,359  
Total operating income 2,175,563 1,170,704 6,307,426 3,521,625  
Total interest expense 413,942 410,366 1,245,154 995,437  
Total income tax expense 498,748 303,072 654,358 3,821,660  
Total assets 28,132,949   28,132,949   26,239,260
PrepaCyte CB [Member]          
Segment Reporting Information [Line Items]          
Total net revenue 33,035 29,308 70,795 84,208  
Total cost of sales 25,180 27,740 189,806 124,805  
Total operating income (19,146) (7,496) (164,141) (67,788)  
Total interest expense    
Total income tax expense    
Total assets 202,408   202,408   319,802
Public Cord Blood Banking [Member]          
Segment Reporting Information [Line Items]          
Total net revenue 160,561 65,575 529,041 65,575  
Total cost of sales 323,898 308,662 996,259 308,662  
Total operating income (163,336) (243,086) (2,799,978) (243,087)  
Total interest expense    
Total income tax expense    
Total assets 13,492,399   13,492,399   $ 15,831,081
Operating Segments [Member]          
Segment Reporting Information [Line Items]          
Total depreciation and amortization 47,286 52,072 159,600 124,865  
Operating Segments [Member] | Umbilical Cord Blood and Cord Tissue Stem Cell Service [Member]          
Segment Reporting Information [Line Items]          
Total depreciation and amortization 38,223 43,008 132,409 97,674  
Operating Segments [Member] | PrepaCyte CB [Member]          
Segment Reporting Information [Line Items]          
Total depreciation and amortization 9,063 $ 9,064 27,191 27,191  
Operating Segments [Member] | Public Cord Blood Banking [Member]          
Segment Reporting Information [Line Items]          
Total depreciation and amortization