Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Additional Information (Detail)

v3.7.0.1
Stockholders' Equity - Additional Information (Detail) - USD ($)
 1 Months Ended 3 Months Ended
Apr. 15, 2016
Feb. 29, 2016
Nov. 30, 2015
Feb. 28, 2015
Nov. 30, 2013
May 31, 2012
Feb. 28, 2017
Feb. 29, 2016
Feb. 28, 2016
Nov. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Granted, Shares             0 0    
Shares granted during period             0      
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. The Amendment states if Executive is employed by the Company on November 30, 2016, then no later than February 28, 2017, the Company will grant Executive up to 20,000 shares of restricted stock based on performance as set forth in the Amendment.      
Amended And Restated Employment Agreement [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Unrecognized compensation costs             $ 0      
Second Amendment Agreement [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Unrecognized compensation costs             $ 0      
David Portnoy [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Shares granted during period 186,487           183,145      
Mark Portnoy [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Shares granted during period 162,163           159,257      
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      
Shares granted during period             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             550,500     572,281
Shares issued under stock incentive plan             229,429      
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             1,053,332      
Unrecognized compensation cost related to non-vested share-based compensation arrangements granted     $ 242,000              
2012 Plan [Member] | David Portnoy [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Shares granted during period   118,062                
2012 Plan [Member] | Mark Portnoy [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Shares granted during period   102,663                
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]                    
Share based compensation vested period fair value             $ 1,252,000      
Selling, General and Administrative Expenses [Member] | Second Amendment Agreement [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Share based compensation vested period fair value             $ 31,747      
Selling, General and Administrative Expenses [Member] | 2012 Plan [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Share based compensation vested period fair value     $ 336,000              
Restricted Common Shares [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           $ 0    
Description of minimum requirement to be satisfied by employee for additional restricted common share             In addition, if David Portnoy and Mark Portnoy are employed by the Company on November 30, 2015, then no later than February 15, 2016, the Company will grant up to an additional 186,487 and 162,163 shares of restricted common shares, respectively, based on similar performance thresholds, as defined in the agreements      
Restricted Common Shares [Member] | 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      
Additional restricted common shares to be granted             186,487      
Restricted Common Shares [Member] | 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      
Additional restricted common shares to be granted             162,163      
Restricted Common Shares [Member] | 2012 Plan [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Share based compensation, percentage of vesting upon grant             33.30%      
Restricted Common Shares [Member] | 2012 Plan [Member] | December 1, 2014 [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Share based compensation, percentage of vesting upon grant             33.30%      
Restricted Common Shares [Member] | 2012 Plan [Member] | December 1, 2015 [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Share based compensation, percentage of vesting upon grant             33.30%      
Restricted Common Shares [Member] | 2012 Plan [Member] | David Portnoy [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Shares granted during period       31,087 70,270          
Restricted Common Shares [Member] | 2012 Plan [Member] | Mark Portnoy [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Shares granted during period       27,033 59,459          
Restricted Common Shares [Member] | Selling, General and Administrative Expenses [Member] | 2012 Plan [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Share based compensation vested period fair value       $ 134,000            
Service-Based Vesting Condition Options [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Granted, Shares             0      
Stock option activity for options             1,120,229     1,142,010
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             $ 123,000      
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             $ 123,000      
Performance Shares [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Granted, Shares             0   0  
Market-Based Vesting Condition Options [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Granted, Shares             0   0  
Service Based Stock Options [Member] | 2012 Plan [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Granted, Shares             569,729      
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             630,970      
Market Based Options [Member] | 2012 Plan [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Granted, Shares             116,240      
Performance and Market-Based Vesting Condition Options [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Stock option activity for options   0         0 0    
Stock Option [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Number of share issued to option holder             19,281 0    
Options exercised             $ 33,496 $ 0    
Stock Option [Member] | Service-Based Vesting Condition Options [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Weighted-average period             8 months 27 days      
Total fair value of shares vested             $ 35,000