Quarterly report pursuant to Section 13 or 15(d)

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

v3.7.0.1
Description of Business, Basis of Presentation and Significant Accounting Policies - Additional Information (Detail)
 1 Months Ended 3 Months Ended
Feb. 01, 2012
USD ($)
Dec. 31, 2005
USD ($)
Feb. 28, 2017
USD ($)
CompensationPlan
Deliverables
Segments
Feb. 29, 2016
USD ($)
Nov. 30, 2016
USD ($)
Aug. 31, 2016
USD ($)
Schedule of Available-for-sale Securities [Line Items]            
Number of deliverables for revenue recognized | Deliverables     2      
Period of doubtful for accounts receivable due from client     21 years      
Contracted storage periods option two     21 years      
Contracted storage periods option one     1 year      
Contracted storage periods option three     Lifetime      
Deferred revenue recognition period     12 months      
Valuation allowance     $ 2,301,000   $ 2,301,000  
Income tax expense     305,717 $ 0    
Foreign income tax expense     $ 0 0    
Minimum percentage probability of realized tax benefit on settlement     50.00%      
Provisions for interest or penalties related to uncertain tax positions     $ 0 0    
Uncertain tax provisions     0 0    
Impairment on long lived assets     $ 0 0    
Goodwill impairment charge         111,392 $ 1,666,430
Number of employee stock based compensation plan | CompensationPlan     2      
Stock-based option compensation expense     $ 77,000 252,000    
Unrealized holding gain (losses), trading securities     (26,600) (19,800)    
Unrealized gain (losses) on marketable securities, net of tax     (7,061) $ (93,727)    
Payment warranty   $ 50,000        
Increased payment warranty $ 75,000          
Additional payment warranty $ 10,000          
Reserves recorded under programs     $ 17,000   17,000  
Accounts Receivable [Member]            
Schedule of Available-for-sale Securities [Line Items]            
Period of doubtful for accounts receivable due from client     30 days      
PrepaCyte CB [Member]            
Schedule of Available-for-sale Securities [Line Items]            
Goodwill impairment charge         $ 1,777,822  
Umbilical Cord Blood and Cord Tissue Stem Cell Service and Prepacyte-CB [Member]            
Schedule of Available-for-sale Securities [Line Items]            
Number of reportable segments | Segments     2