|
Stockholder's Equity - Fair Value of Options Granted (Detail) (Service-Based Vesting Condition Options [Member])
|
3 Months Ended | 9 Months Ended |
|---|---|---|
|
Aug. 31, 2013
|
Aug. 31, 2013
|
|
|
Service-Based Vesting Condition Options [Member]
|
||
| Weighted average values: | ||
| Expected dividends | 0.00% | 0.00% |
| Expected volatility | 108.75% | 110.46% |
| Risk free interest rate | 1.35% | 1.15% |
| Expected life | 5 years | 5 years |
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Definition
Expected dividends to be paid to holders of the underlying shares or financial instruments (expressed as a percentage of the share or instrument's price). Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Risk-free interest rate assumption used in valuing an instrument. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Expected term of share-based compensation awards, 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
|