Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.3
Description of Business, Basis of Presentation and Significant Accounting Policies - Additional Information (Detail)
 1 Months Ended 3 Months Ended 6 Months Ended 9 Months Ended
Dec. 01, 2018
USD ($)
Jun. 01, 2017
USD ($)
Feb. 01, 2012
USD ($)
Dec. 31, 2005
USD ($)
Aug. 31, 2019
USD ($)
CompensationPlan
May 31, 2019
USD ($)
Feb. 28, 2019
USD ($)
Aug. 31, 2018
USD ($)
May 31, 2019
USD ($)
Aug. 31, 2019
USD ($)
Segments
CompensationPlan
Unit
shares
Aug. 31, 2018
USD ($)
shares
Nov. 30, 2018
USD ($)
Debt Securities, Available-for-sale [Line Items]                        
Deferred revenue         $ 31,674,315         $ 31,674,315    
Deferred revenue current         8,781,229         8,781,229    
Warranty payment   $ 100,000 $ 75,000 $ 50,000                
Offset personal expenses   10,000                    
Commission paid         10,747         25,216    
Capitalized contract acquisition costs, net of amortization expense $ 329,231                      
Cumulative amortization expense 66,533                      
Additional capitalized contract acquisition costs, net of amortization expense         23,180         67,668    
Valuation allowance         1,634,000         1,634,000   $ 1,634,000
U.S. Income tax expense (benefit)         453,000     $ 245,000   587,000 $ 3,741,000  
Income tax expense related to the reduction of the federal tax                   $ 2,985,000    
Federal tax rate                   21.00%    
Foreign Income Tax Expense         46,000     58,000   $ 68,000 80,000  
Minimum percentage probability of realized tax benefit on settlement                   50.00%    
Provisions for interest or penalties related to uncertain tax positions         0     0   $ 0 0  
Uncertain tax provisions         0     0   0 0  
Impairment on long lived assets         0     0   0 0  
Goodwill         $ 1,941,411         $ 1,941,411   $ 1,941,411
Number of employee stock based compensation plan | CompensationPlan         2         2    
Stock-based option compensation expense                   $ 240,000 324,000  
Unrealized holding gains, trading securities               37,536   12,328    
Unrealized (loss) gain on marketable securities, net of tax               $ 285,255     405,255  
Cumulative-effect adjustment from accumulated other comprehensive income to retained earnings             $ 341,000          
Unrealized holding gain (losses), marketable securities         $ 35,000         $ (1,000)    
Payment warranty       $ 50,000                
Increased payment warranty   $ 100,000 75,000                  
Additional payment warranty     $ 10,000                  
Stock compensation expense reversed                     $ 444,000  
Stock compensation, number of shares opted to lump sum cash payment | shares                   30,000 30,000  
Impairment charges           $ 2,332,763     $ 2,332,763 $ 2,332,763    
Duke University [Member]                        
Debt Securities, Available-for-sale [Line Items]                        
Asset purchase agrrement closing date                   Jan. 31, 2020    
Accounting Standards Update 2014-09 [Member]                        
Debt Securities, Available-for-sale [Line Items]                        
Incremental contract acquisition cost 329,231                      
Reversed incremental acquisition cost 18,408                      
ASC 606 adoption adjustment, net of tax 253,447                 $ 253,447    
Cumulative effect on retained earnings, tax $ 94,192                      
Option One [Member]                        
Debt Securities, Available-for-sale [Line Items]                        
Contracted storage amortization period         21 years         21 years    
Option Two [Member]                        
Debt Securities, Available-for-sale [Line Items]                        
Contracted storage amortization period         1 year         1 year    
Option Three [Member]                        
Debt Securities, Available-for-sale [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    
Previously Reported [Member]                        
Debt Securities, Available-for-sale [Line Items]                        
Unrealized (loss) gain on marketable securities, net of tax                     $ 405,255  
Accounts Receivables [Member]                        
Debt Securities, Available-for-sale [Line Items]                        
Period of doubtful for accounts receivable due from client                   30 days    
Umbilical Cord Blood and Cord Tissue Stem Cell Service and PrepaCyte-CB [Member]                        
Debt Securities, Available-for-sale [Line Items]                        
Number of reportable segments | Segments                   3    
Umbilical Cord Blood and Cord Tissue Stem Cell Service and PrepaCyte-CB [Member] | Duke University [Member]                        
Debt Securities, Available-for-sale [Line Items]                        
Inventory, in units | Unit                   5,981    
Number of units, per month | Unit                   12    
Umbilical Cord Blood and Cord Tissue Stem Cell Service and PrepaCyte-CB [Member] | Duke University [Member] | Maximum [Member]                        
Debt Securities, Available-for-sale [Line Items]                        
Inventory, in units | Unit                   144