Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Additional Information (Detail)

v3.20.1
Stockholders' Equity - Additional Information (Detail) - USD ($)
 1 Months Ended 3 Months Ended 12 Months Ended
Feb. 29, 2020
Feb. 27, 2020
May 21, 2018
Dec. 20, 2019
Aug. 30, 2019
May 31, 2012
Feb. 29, 2020
Feb. 28, 2019
Nov. 30, 2019
Nov. 30, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Granted, Shares             44,969      
Plan modification description and terms             The options were issued under the Company’s 2012 Stock Plan and will vest 1/3 upon grant, 1/3 on December 1, 2020 and the remaining 1/3 on November 30, 2021.      
Shares earned paid in cash             $ 444,000      
Stock compensation, number of shares opted to lump sum cash payment             30,000      
David Portnoy [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Granted, Shares       23,636            
Shares earned during period             304,946      
Number of shares surrendered             157,472      
Payments Of Cash In Surrender Of Shares In Share Based Compensation Activities             $ 534,917      
Mark Portnoy [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Granted, Shares       20,000            
Shares earned during period             265,172      
Number of shares surrendered             134,977      
Payments Of Cash In Surrender Of Shares In Share Based Compensation Activities             $ 457,327      
Oleg Mikulinksy [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Unrecognized compensation cost related to non-vested options $ 11,500           $ 11,500      
Oleg Mikulinksy [Member] | Second Amendment Agreement [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Granted, Shares     8,000              
Shares granted during period             34,349      
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           1,000,000      
Option issued 305,000           305,000   325,000  
Shares issued under stock incentive plan 0           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           1,500,000      
Shares issued under stock incentive plan 622,510           622,510      
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]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Unrecognized compensation cost related to non-vested share-based compensation arrangements granted $ 147,000           $ 147,000      
Share based compensation options fair value             73,000      
Selling, General and Administrative Expenses [Member] | Performance And Market Based Vesting Condition Options [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Unrecognized compensation cost related to non-vested share-based compensation arrangements granted $ 86,000           86,000      
Share based compensation options fair value             $ 86,000      
Selling, General and Administrative Expenses [Member] | Performance And 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               $ 4,800    
Service Based Stock Options [Member] | 2012 Plan [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Granted, Shares 808,243                  
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 530,851                  
Market Based Options [Member] | 2012 Plan [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Granted, Shares 116,218                  
Service-Based Vesting Condition Options [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Granted, Shares             44,969      
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 $ 521,000           $ 521,000      
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] | 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]                    
Shares forfeited during period                 2,666  
Market-Based Vesting Condition Options [Member] | Share-based Compensation Award, Tranche Two [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Shares forfeited during period   1,333             4,444  
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                 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                 13,332  
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             $ 7,600 $ 2,000    
Stock Option [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Number of share issued to option holder             20,000 2,500    
Options exercised             $ 41,000 $ 5,700    
Stock Option [Member] | Service-Based Vesting Condition Options [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Granted, Shares             44,969 0    
Weighted-average period             1 year 2 months 15 days      
Total fair value of shares vested             $ 280,000      
Non Qualified Stock Options [Member] | Performance And Market Based Vesting Condition Options [Member] | David Portnoy [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Shares granted during period         26,243          
Non Qualified Stock Options [Member] | Performance And Market Based Vesting Condition Options [Member] | Mark Portnoy [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Shares granted during period         22,222