Stockholders' Equity - Additional Information (Detail) - USD ($)
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1 Months Ended |
3 Months Ended |
12 Months Ended |
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Apr. 15, 2016 |
Nov. 30, 2015 |
Dec. 01, 2013 |
May 31, 2012 |
Feb. 28, 2018 |
Feb. 28, 2017 |
Nov. 30, 2017 |
Nov. 30, 2016 |
Nov. 30, 2015 |
Nov. 30, 2018 |
Nov. 26, 2014 |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Weighted average grant date fair value |
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$ 3.23
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$ 1.86
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| Shares granted during period |
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25,000
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| Description on second amendment to employment agreement |
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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.
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| Common stock, par value |
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$ 0.01
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$ 0.01
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| Subsequent Event [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Share based compensation vested period fair value |
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$ 1,200,000
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| Amended And Restated Employment Agreement [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Unrecognized compensation costs |
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$ 0
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| Unrecognized compensation costs |
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496,000
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| Second Amendment Agreement [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Share based compensation vested period fair value |
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$ 78,000
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80,000
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| Unrecognized compensation costs |
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$ 0
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$ 40,000
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| Second Amendment 2018 [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Description on second amendment to employment agreement |
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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 2017. The Amendment states if Executive is employed by the Company on November 30, 2017, then no later than February 28, 2018, the Company will grant Executive up to 20,000 shares of restricted stock based on performance as set forth in the Amendment.
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| David Portnoy [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Shares granted during period |
186,487
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183,145
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| David Portnoy [Member] | Subsequent Event [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Shares granted during period |
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121,801
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| Mark Portnoy [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Shares granted during period |
162,163
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159,257
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| Mark Portnoy [Member] | Subsequent Event [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Shares granted during period |
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105,915
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| Oleg Mikulinksy [Member] | Second Amendment Agreement [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Common stock for issuance pursuant to stock options or restricted stock |
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20,000
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20,000
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| Shares granted during period |
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19,620
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11,396
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| 2006 Plan [Member] | Employee Stock Incentive Plan [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Common stock for issuance pursuant to stock options or restricted stock |
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1,000,000
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| Option issued |
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457,250
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572,281
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| Shares issued under stock incentive plan |
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308,929
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| 2012 Plan [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Common stock for issuance pursuant to stock options or restricted stock |
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1,500,000
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| Shares issued under stock incentive plan |
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859,081
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| Unrecognized compensation cost related to non-vested share-based compensation arrangements granted |
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$ 242,000
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| 2012 Plan [Member] | Employee Stock Incentive Plan [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Increase in common stock reserved for issuance |
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2,500,000
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| Preferred Stock Rights Plan [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Common stock, par value |
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$ 0.01
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| Selling, General and Administrative Expenses [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Share based compensation vested period fair value |
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$ 1,252,000
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$ 704,000
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| Selling, General and Administrative Expenses [Member] | Second Amendment Agreement [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Share based compensation vested period fair value |
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46,000
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$ 32,000
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| Selling, General and Administrative Expenses [Member] | Second Amendment Agreement [Member] | Grant One [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Share based compensation vested period fair value |
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$ 40,000
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| Service Based Stock Options [Member] | 2012 Plan [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Granted, Shares |
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569,729
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569,729
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| Service Based Restricted Shares [Member] | 2012 Plan [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Granted, Shares |
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129,729
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129,729
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| Performance Based Options [Member] | 2012 Plan [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Granted, Shares |
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825,221
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630,970
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| Market Based Options [Member] | 2012 Plan [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Granted, Shares |
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116,240
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116,240
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| Service-Based Vesting Condition Options [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Granted, Shares |
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25,000
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| Stock option activity for options |
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1,026,979
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1,142,010
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| Service-Based Vesting Condition Options [Member] | 2006 Plan [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Unrecognized compensation cost related to non-vested share-based compensation arrangements granted |
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$ 51,000
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| Service-Based Vesting Condition Options [Member] | 2012 Plan [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Unrecognized compensation cost related to non-vested share-based compensation arrangements granted |
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$ 51,000
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| Performance Shares [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Granted, Shares |
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0
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0
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| Market-Based Vesting Condition Options [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Granted, Shares |
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0
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0
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| Performance and Market-Based Vesting Condition Options [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Stock option activity for options |
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0
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0
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| Restricted Common Shares [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Unrecognized compensation cost related to non-vested share-based compensation arrangements granted |
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$ 0
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$ 0
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| Description of minimum requirement to be satisfied by employee for additional restricted common share |
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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
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| Restricted Common Shares [Member] | David Portnoy [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Common stock for issuance pursuant to stock options or restricted stock |
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186,487
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| Additional restricted common shares to be granted |
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186,487
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| Restricted Common Shares [Member] | Mark Portnoy [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Common stock for issuance pursuant to stock options or restricted stock |
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162,163
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| Additional restricted common shares to be granted |
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162,163
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| Restricted Common Shares [Member] | 2012 Plan [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Share based compensation, percentage of vesting upon grant |
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33.30%
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| Share based compensation vested period fair value |
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$ 336,000
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| Restricted Common Shares [Member] | 2012 Plan [Member] | December 1, 2014 [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Share based compensation, percentage of vesting upon grant |
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33.30%
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| Restricted Common Shares [Member] | 2012 Plan [Member] | December 1, 2015 [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Share based compensation, percentage of vesting upon grant |
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33.30%
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| Restricted Common Shares [Member] | 2012 Plan [Member] | David Portnoy [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Shares granted during period |
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118,117
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70,270
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| Restricted Common Shares [Member] | 2012 Plan [Member] | Mark Portnoy [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Shares granted during period |
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102,711
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59,459
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| Stock Option [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Number of share issued to option holder |
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33,031
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23,399
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| Options exercised |
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$ 64,696
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$ 40,340
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| Stock Option [Member] | Service-Based Vesting Condition Options [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Weighted-average period |
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9 months 11 days
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| Total fair value of shares vested |
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$ 166,000
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