Quarterly report pursuant to Section 13 or 15(d)

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

v3.23.1
Description of Business, Basis of Presentation and Significant Accounting Policies - Additional Information (Detail)
 1 Months Ended 3 Months Ended
Jun. 11, 2018
Jun. 01, 2017
USD ($)
Feb. 01, 2012
USD ($)
Dec. 31, 2005
USD ($)
Feb. 28, 2023
USD ($)
Segment
Unit
Feb. 28, 2022
USD ($)
Business, Basis of Presentation and Significant Accounting Policies [Line Items]            
Number of reportable segments | Segment         3  
Deferred revenue         $ 46,500,020  
Warranty payment   $ 100,000 $ 75,000 $ 50,000    
Offset personal expenses   10,000        
Commission paid         10,432 $ 15,152
Additional capitalized contract acquisition costs, net of amortization expense         26,436 24,589
Impairment of contract assets         0 0
Uncertain tax provisions         0  
Provisions for interest or penalties related to uncertain tax positions         0 0
Impairment on long lived assets         0 0
Stock-based option compensation expense         313,000 32,000
Unrealized holding (losses) gains, marketable securities         $ (4,000) $ (9,000)
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  
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 year | 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         1 year  
Option Two [Member]            
Business, Basis of Presentation and Significant Accounting Policies [Line Items]            
Contracted storage amortization period         21 years  
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.