Stock-based Compensation - Option Activity (Details) - USD ($) |
3 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|
Aug. 31, 2017 |
May 31, 2017 |
Feb. 28, 2017 |
Nov. 30, 2016 |
Nov. 30, 2015 |
|
| Number of Options | |||||
| Beginning Balance, Outstanding (shares) | 564,000 | 564,000 | 564,000 | 104,000 | |
| Granted (shares) | 232,500 | 0 | 0 | 519,000 | |
| Exercised (shares) | 0 | 0 | 0 | 0 | |
| Cancelled or Forfeited (shares) | 0 | 0 | 0 | 59,000 | |
| Ending Balance, Outstanding (shares) | 796,500 | 564,000 | 564,000 | 564,000 | 104,000 |
| Weighted-Average Exercise Price | |||||
| Beginning Balance, Outstanding (usd per share) | $ 3.25 | $ 3.25 | $ 3.25 | $ 3.41 | |
| Granted (usd per share) | 3.30 | 0.00 | 3.23 | ||
| Exercised (usd per share) | 0.00 | 0.00 | |||
| Cancelled or Forfeited (usd per share) | 0.00 | 3.42 | |||
| Ending Balance, Outstanding (usd per share) | $ 3.26 | $ 3.25 | $ 3.25 | $ 3.25 | $ 3.41 |
| Weighted-Average Remaining Term (years) | 6 years 9 months 20 days | 5 years 10 months 20 days | 6 years 1 month 6 days | 9 years 2 months 12 days | 7 years 7 months 6 days |
| Aggregate Intrinsic Value | |||||
| Aggregate Intrinsic Value | $ 0 | $ 0 | $ 0 | $ 0 | |
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Weighted average price of options that were either forfeited or expired. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Gross number of share options (or share units) granted during the period. No definition available.
|
| X | ||||||||||
- Definition Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Number of options outstanding, including both vested and non-vested options. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
|
| X | ||||||||||
- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Weighted average price at which option holders acquired shares when converting their stock options into shares. No definition available.
|
| X | ||||||||||
- Definition Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. No definition available.
|
| X | ||||||||||
- Definition Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Number of share options (or share units) exercised during the current period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|