Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Additional Information (Detail)

v3.19.1
Stockholders' Equity - Additional Information (Detail) - USD ($)
1 Months Ended 3 Months Ended 12 Months Ended
Nov. 30, 2017
May 31, 2012
Feb. 28, 2019
Feb. 28, 2018
Feb. 28, 2017
Nov. 30, 2019
Nov. 30, 2018
Nov. 30, 2017
Nov. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Granted, Shares     0            
Amended And Restated Employment Agreement [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Unrecognized compensation costs     $ 0 $ 0          
Second Amendment Agreement [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Description on second amendment to employment agreement     The Amendment provides for the grant of shares of the Company’s common stock based on certain performance measures being attained by the Company during fiscal year 2016 and fiscal year 2017. The Amendment states if Executive is employed by the Company on November 30, 2016 and November 30, 2017, then no later than February 28, 2017 and February 28, 2018, respectively, the Company will grant Executive up to 20,000 shares of restricted stock based on performance as set forth in the Amendment per each fiscal year.            
David Portnoy [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Common stock for issuance pursuant to stock options or restricted stock 186,487             186,487 186,487
Shares granted during period                 183,145
Shares earned during period               121,801  
Mark Portnoy [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Common stock for issuance pursuant to stock options or restricted stock 162,163             162,163 162,163
Shares granted during period                 159,257
Shares earned during period               105,915  
Oleg Mikulinksy [Member] | Second Amendment Agreement [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Common stock for issuance pursuant to stock options or restricted stock         20,000        
Share based compensation options fair value $ 80,000                
Shares granted during period 14,729       19,620        
2006 Plan [Member] | Employee Stock Incentive Plan [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Common stock for issuance pursuant to stock options or restricted stock     1,000,000            
Option issued     372,500       380,000    
Shares issued under stock incentive plan     0            
2012 Plan [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Common stock for issuance pursuant to stock options or restricted stock     1,500,000            
Shares issued under stock incentive plan     0            
2012 Plan [Member] | Employee Stock Incentive Plan [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Increase in common stock reserved for issuance   2,500,000              
Selling, General and Administrative Expenses [Member] | Second Amendment Agreement [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Unrecognized compensation costs     $ 0 $ 40,000          
Service Based Stock Options [Member] | 2012 Plan [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Granted, Shares     621,365            
Service Based Restricted Shares [Member] | 2012 Plan [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Granted, Shares     129,729            
Performance Based Options [Member] | 2012 Plan [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Granted, Shares     823,415            
Market Based Options [Member] | 2012 Plan [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Granted, Shares     116,240            
Service-Based Vesting Condition Options [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Granted, Shares     0            
Service-Based Vesting Condition Options [Member] | 2006 Plan [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Unrecognized compensation cost related to non-vested share-based compensation arrangements granted     $ 57,000            
Service-Based Vesting Condition Options [Member] | 2012 Plan [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Unrecognized compensation cost related to non-vested share-based compensation arrangements granted     $ 57,000            
Performance and Market-Based Vesting Condition Options [Member] | David Portnoy [Member] | Share-based Compensation Award, Tranche One [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Shares granted during period     47,273            
Performance and Market-Based Vesting Condition Options [Member] | Mark Portnoy [Member] | Share-based Compensation Award, Tranche One [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Shares granted during period     40,000            
Performance and Market-Based Vesting Condition Options [Member] | Oleg Mikulinksy [Member] | Share-based Compensation Award, Tranche Two [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Shares granted during period     8,000            
Performance and Market-Based Vesting Condition Options [Member] | Selling, General and Administrative Expenses [Member] | Share-based Compensation Award, Tranche One [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share based compensation options fair value     $ 45,000            
Performance and Market-Based Vesting Condition Options [Member] | Selling, General and Administrative Expenses [Member] | Share-based Compensation Award, Tranche Two [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share based compensation options fair value     4,800            
Market-Based Vesting Condition Options [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Granted, Shares       0          
Market-Based Vesting Condition Options [Member] | Share-based Compensation Award, Tranche Two [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share based compensation options fair value     $ 13,600            
Shares forfeited during period     4,444            
Market-Based Vesting Condition Options [Member] | Scenario, Forecast [Member] | Share-based Compensation Award, Tranche Two [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Shares forfeited during period           2,666      
Market-Based Vesting Condition Options [Member] | David Portnoy [Member] | Share-based Compensation Award, Tranche One [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Shares forfeited during period             26,243    
Market-Based Vesting Condition Options [Member] | David Portnoy [Member] | Scenario, Forecast [Member] | Share-based Compensation Award, Tranche One [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Shares forfeited during period           15,756      
Market-Based Vesting Condition Options [Member] | Mark Portnoy [Member] | Share-based Compensation Award, Tranche One [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Shares forfeited during period             22,222    
Market-Based Vesting Condition Options [Member] | Mark Portnoy [Member] | Scenario, Forecast [Member] | Share-based Compensation Award, Tranche One [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Shares forfeited during period           13,332      
Market-Based Vesting Condition Options [Member] | Selling, General and Administrative Expenses [Member] | Share-based Compensation Award, Tranche One [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share based compensation options fair value             $ 140,000    
Market-Based Vesting Condition Options [Member] | Selling, General and Administrative Expenses [Member] | Share-based Compensation Award, Tranche Two [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share based compensation options fair value     $ 4,300            
Performance Shares [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Granted, Shares       0          
Restricted Common Shares [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share based compensation options fair value               $ 1,200,000  
Restricted Common Shares [Member] | Selling, General and Administrative Expenses [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Unrecognized compensation cost related to non-vested share-based compensation arrangements granted     $ 0 $ 496,000          
Stock Option [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Number of share issued to option holder     2,500 1,250          
Options exercised     $ 5,700 $ 2,250          
Stock Option [Member] | Service-Based Vesting Condition Options [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Weighted-average period     9 months 7 days            
Total fair value of shares vested     $ 56,000