Quarterly report pursuant to Section 13 or 15(d)

Description of Business, Basis of Presentation and Significant Accounting Policies - Additional Information (Detail)

v3.23.3
Description of Business, Basis of Presentation and Significant Accounting Policies - Additional Information (Detail)
1 Months Ended 3 Months Ended 9 Months Ended
Jun. 11, 2018
Jun. 01, 2017
USD ($)
Feb. 01, 2012
USD ($)
Dec. 31, 2005
USD ($)
Aug. 31, 2023
USD ($)
Aug. 31, 2022
USD ($)
Aug. 31, 2023
USD ($)
Unit
Aug. 31, 2022
USD ($)
Business, Basis of Presentation and Significant Accounting Policies [Line Items]                
Deferred revenue         $ 49,662,680   $ 49,662,680  
Warranty payment   $ 100,000 $ 75,000 $ 50,000        
Commission paid         10,061 $ 11,151 31,451 $ 38,471
Additional capitalized contract acquisition costs, net of amortization expense         30,185 29,269 85,133 81,028
Impairment of contract assets         0   0  
Uncertain tax provisions         0   0  
Provisions for interest or penalties related to uncertain tax positions             0 0
Impairment on long lived assets         0 0 0 0
Stock-based option compensation expense         172,099 161,083 641,690 310,441
Unrealized Gain Loss on Marketable Securities         93,386 (11,627) 100,082 (38,457)
Gain on interest rate swap         $ 282,731 $ 62,835 $ 58,757 $ 62,835
Payment warranty       $ 50,000        
Increased payment warranty   $ 100,000 $ 75,000          
Cord:Use [Member]                
Business, Basis of Presentation and Significant Accounting Policies [Line Items]                
Acquisition date Jun. 11, 2018              
Duke University [Member]                
Business, Basis of Presentation and Significant Accounting Policies [Line Items]                
Contracted storage amortization period         16 years   16 years  
Umbilical Cord Blood and Cord Tissue Stem Cell Service and PrepaCyte-CB [Member] | Duke University [Member]                
Business, Basis of Presentation and Significant Accounting Policies [Line Items]                
Agreement expiration date             Jan. 31, 2025  
Inventory, in units | Unit             6,000  
Number of units, per month | Unit             36  
Maximum [Member] | Umbilical Cord Blood and Cord Tissue Stem Cell Service and PrepaCyte-CB [Member] | Duke University [Member]                
Business, Basis of Presentation and Significant Accounting Policies [Line Items]                
Inventory, in units | Unit             36  
Accounts Receivables [Member]                
Business, Basis of Presentation and Significant Accounting Policies [Line Items]                
Period of doubtful for accounts receivable due from client             30 days  
Option One [Member]                
Business, Basis of Presentation and Significant Accounting Policies [Line Items]                
Contracted storage amortization period         21 years   21 years  
Option Two [Member]                
Business, Basis of Presentation and Significant Accounting Policies [Line Items]                
Contracted storage amortization period         1 year   1 year  
Option Three [Member]                
Business, Basis of Presentation and Significant Accounting Policies [Line Items]                
Contracted storage amortization period             life-time  
Contracted storage amortization description             The life-time storage plan is based on a life expectancy of 81 years, which is the current estimate by the Center for Disease Control for United States women’s life expectancy and concluded that additional data analysis would result in an immaterial difference in revenue.