Quarterly report pursuant to Section 13 or 15(d)

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

v3.3.1.900
Basis of Presentation and Significant Accounting Policies - Additional Information (Detail)
1 Months Ended 3 Months Ended
Feb. 02, 2016
USD ($)
Dec. 31, 2005
USD ($)
Feb. 29, 2016
USD ($)
CompensationPlan
Deliverables
Feb. 28, 2015
USD ($)
Nov. 30, 2015
USD ($)
Accounting Policies [Abstract]          
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     $ 2,630,000   $ 2,630,000
U.S. Income tax expense     0 $ 0  
Foreign income tax expense     $ 0 25,000  
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  
Number of employee stock based compensation plan | CompensationPlan     3    
Stock option compensation expense     $ 252,000 191,000  
Unrealized holding gain (losses), trading securities     (19,800) (4,400)  
Unrealized gain (losses) on marketable securities, net of tax     (93,727) $ 0  
Payment warranty   $ 50,000      
Increased payment warranty $ 75,000        
Additional payment warranty $ 10,000        
Reserves recorded under programs     $ 17,000   $ 17,000