Quarterly report pursuant to Section 13 or 15(d)

Stockholder's Equity - Fair Value of Options Granted (Detail)

v2.4.0.8
Stockholder's Equity - Fair Value of Options Granted (Detail) (Service-Based Vesting Condition Options [Member])
3 Months Ended 6 Months Ended
May 31, 2013
May 31, 2013
Service-Based Vesting Condition Options [Member]
   
Weighted average values:    
Expected dividends 0.00% 0.00%
Expected volatility 112.40% 113.30%
Risk free interest rate 0.81% 0.81%
Expected life 5 years 5 years