XML 40 R29.htm IDEA: XBRL DOCUMENT v2.4.0.8
Share-Based Payments (Details 2) (USD $)
 6 Months Ended 12 Months Ended
Oct. 31, 2013
Apr. 30, 2013
Outstanding, Beginning Balance 13,890,205  
Granted 1,645,000  
Exercised (15,000)  
Forfeited (20,000)  
Expired (26,250)  
Outstanding, Ending Balance 15,473,955 13,890,205
Vested and expected to vest as of October 31, 2013 15,473,955  
Exercisable as of October 31, 2013 13,529,162  
Weighted Average Exercise Price, Outstanding, Beginning Balance $ 0.85  
Weighted Average Exercise Price, Granted $ 1.18  
Weighted Average Exercise Price, Exercised $ 0.62  
Weighted Average Exercise Price, Forfeited $ 0.50  
Weighted Average Exercise Price, Expired $ 0.75  
Weighted Average Exercise Price, Outstanding, Ending Balance $ 0.89 $ 0.85
Weighted Average Exercise Price, Vested and expected to vest $ 0.89  
Weighted Average Exercise Price, Exercisable $ 0.85  
Weighted Average Remaining Contractual Term, Outstanding (in years) 7 years 6 years 9 months 18 days
Weighted Average Remaining Contractual Life (Years), Granted 9 years 9 months 18 days  
Vested and expected to vest as of October 31, 2013(in Years) 6 years 9 months 18 days  
Weighted Average Remaining Contractual Term, Exercisable (in years) 6 years 6 months  
Aggregate Intrinsic Value, Outstanding, Beginning Balance $ 89,000  
Aggregate Intrinsic Value, Granted 237,000  
Aggregate Intrinsic Value, Outstanding, Ending Balance 6,290,000 89,000
Aggregate Intrinsic Value, Vested and expected to vest 6,290,000  
Aggregate Intrinsic Value, Exercisable $ 2,703,000  
Non-Employees [Member]
    
Outstanding, Beginning Balance 765,000  
Granted 0  
Exercised 0  
Forfeited 0  
Expired 0  
Outstanding, Ending Balance 765,000  
Vested and expected to vest as of October 31, 2013 765,000  
Exercisable as of October 31, 2013 514,792  
Directors and Employees [Member]
    
Outstanding, Beginning Balance 13,125,205  
Granted 1,645,000  
Exercised (15,000)  
Forfeited (20,000)  
Expired (26,250)  
Outstanding, Ending Balance 14,708,955  
Vested and expected to vest as of October 31, 2013 14,708,955  
Exercisable as of October 31, 2013 13,014,370