Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity - Additional Information (Detail)

v3.3.1.900
Stockholders' Equity - Additional Information (Detail) - USD ($)
 1 Months Ended 12 Months Ended
Nov. 30, 2015
Nov. 30, 2014
Nov. 30, 2013
May. 31, 2012
Nov. 30, 2015
Nov. 30, 2014
Nov. 26, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Share distribution period         20 days    
Weighted average grant date fair value of options         $ 1.90    
Shares granted during period         22,500    
Common stock, par value $ 0.01 $ 0.01     $ 0.01 $ 0.01  
Common shares exchange ratio         One Common Share per Right    
Preferred Stock, redemption price Per Share $ 0.01       $ 0.01    
Market price for common stock, percentage         50.00%    
Assets sale percentage         50.00%    
Rights expiration date         Dec. 05, 2017    
2000 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 2,250,000       2,250,000    
Share distribution period         3 years    
Options exercisable period after termination         90 days    
Shares outstanding under stock incentive plan 0 2,500     0 2,500  
Shares issued under stock incentive plan 0       0    
2000 Plan [Member] | Minimum [Member] | Employee Stock Incentive Plan [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Term of options         5 years    
2000 Plan [Member] | Maximum [Member] | Employee Stock Incentive Plan [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Term of options         7 years    
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    
Shares issued under stock incentive plan 253,679       253,679    
Option issued 568,930 594,766     568,930 594,766  
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    
Unrecognized compensation cost related to non-vested share-based compensation arrangements granted $ 242,000 $ 134,000     $ 242,000 $ 134,000  
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      
Preferred Stock Rights Plan [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Common stock, par value             $ 0.01
Terms for right to purchasing preferred stock         Each Right represents the right to purchase from the Company one one-thousandth (1/1,000) of a share of Series A Junior Participating Preferred Stock (the "Preferred Shares"), subject to adjustment as provided in the Rights Agreement. This fraction of a Preferred Share is substantially similar to a Common Share, in that the Rights Agreement provides for each Preferred Share to have the voting, liquidation and dividend rights that are equivalent to 1,000 times the rights of a Common Share.    
Service Based Stock Options [Member] | 2012 Plan [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Granted, Shares         400,000 400,000  
Service Based Restricted Shares [Member] | 2012 Plan [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Granted, Shares         129,729 129,729  
Performance Based Options [Member] | 2012 Plan [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Granted, Shares         203,403 87,164  
Market Based Options [Member] | 2012 Plan [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Granted, Shares         116,240 58,120  
Service-Based Vesting Condition Options [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Shares outstanding under stock incentive plan 968,930 997,266     968,930 997,266  
Granted, Shares         22,500    
Service-Based Vesting Condition Options [Member] | 2000 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 $ 26,000       $ 26,000    
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 26,000       26,000    
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 26,000       26,000    
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       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       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 One Two Thousand Fourteen [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 One Two Thousand Fifteen [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 118,117 93,244 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 102,711 81,082 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 $ 336,000 $ 138,000     $ 240,000    
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  
Unrecognized compensation cost related to non-vested share-based compensation arrangements granted   0       $ 0  
Options forfeited           213,334  
Performance and Market-Based Vesting Condition Options [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Shares outstanding under stock incentive plan 0       0    
Unrecognized compensation cost related to non-vested share-based compensation arrangements granted   $ 0       $ 0  
Share based compensation recognized on achievement of performance targets           0  
Compensation expenses recognized without performance target achievement           $ 0  
Stock Option [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Number of share issued to option holder         35,000 51,245  
Options exercised         $ 69,850 $ 79,142  
Stock Option [Member] | Service-Based Vesting Condition Options [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Weighted average grant date fair value of options         $ 1.90 $ 1.60  
Weighted-average period           7 months 10 days  
Total fair value of shares vested           $ 59,000  
Stock Option [Member] | Performance Shares [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Options forfeited           426,666  
Stockholder Rights Agreement [Member] | Minimum [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Acquisition of common stock outstanding percentage 20.00%       20.00%    
Addition of common stock outstanding percentage         0.25%    
Increase in common stock outstanding percentage         22.50%