Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Additional Information (Detail)

v3.8.0.1
Stockholders' Equity - Additional Information (Detail) - USD ($)
 1 Months Ended 3 Months Ended
May 31, 2012
Feb. 28, 2018
Feb. 28, 2017
Nov. 30, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Granted, Shares   0 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 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.    
Share based compensation vested period fair value   $ 1,200,000    
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]        
Unrecognized compensation costs   0 $ 0  
Share based compensation vested period fair value   $ 80,000    
Second Amendment 2018 [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  
Shares granted during period   121,801 183,145  
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  
Shares granted during period   105,915 159,257  
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 20,000  
Shares granted during period   11,396 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   450,000   457,250
Shares issued under stock incentive plan   314,929    
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   800,887    
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] | Amended And Restated Employment Agreement [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Unrecognized compensation costs   $ 496,000    
Selling, General and Administrative Expenses [Member] | Second Amendment Agreement [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Unrecognized compensation costs   $ 40,000    
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   883,415    
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 service related share-based compensation arrangements granted   $ 32,000    
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 service related share-based compensation arrangements granted   $ 32,000    
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  
Stock Option [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of share issued to option holder   1,250 19,281  
Options exercised   $ 2,250 $ 33,496  
Stock Option [Member] | Service-Based Vesting Condition Options [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Weighted-average period   7 months 2 days    
Total fair value of shares vested   $ 42,000