Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity (Tables)

v3.5.0.2
Stockholders' Equity (Tables)
12 Months Ended
Apr. 30, 2016
Schedule of Warrants Activity
                Weighted        
          Weighted     Average        
          Average     Remaining     Aggregate  
    Number of     Exercise     Contractual     Intrinsic  
Warrants   Shares     Price     Term     Value  
Balance Outstanding, April 30, 2015     28,771,757     $ 0.26       4.2     $ 179,791  
Granted                        
Forfeited                        
Exercised     (4,855,487 )     0.155              
Expired                        
Balance Outstanding, April 30, 2016     23,916,270     $ 0.19       3.0     $ 85,978  
                                 
Exercisable, April 30, 2016     23,916,270     $ 0.19       3.0     $ 85,978  
Stock Incentive Plan and Stock Option Grants to Employees and Directors [Member]  
Schedule of Assumptions Used In Valuing Stock Options
    April 30,  
    2016     2015  
Expected life (years)     4 - 6.5       3.3  
Expected volatility    

40.0% -

43.0

%     45.0 %
Weighted-average volatility     40.0 %     45.0 %
Risk-free interest rate     0.38 %     0.38 %
Dividend yield     0.00 %     0.00 %
Expected forfeiture rate     n/a       n/a  
Schedule of Stock Option Activity
                Weighted        
          Weighted     Average        
          Average     Remaining     Aggregate  
    Number of     Exercise     Contractual     Intrinsic  
Options   Shares     Price     Term     Value  
Balance Outstanding, April 30, 2015     14,206,412     $ 0.21       3.45       103,000  
Granted     5,215,000     $ 0.17       5.8        
Exercised                        
Forfeited     (1,490,310 )   $ 0.38       2.6        
Expired                        
Balance Outstanding, April 30, 2016     17,931,102     $ 0.19       3.3     $ 25,760  
                                 
Exercisable, April 30, 2016     7,162,464     $ 0.22       1.9     $ 4,333  
Stock Option Grants To Non-Employees [Member]  
Schedule of Stock Option Activity
          Weighted     Average        
          Average     Remaining     Aggregate  
    Number of     Exercise     Contractual     Intrinsic  
Options   Shares     Price     Term     Value  
Balance Outstanding, April 30, 2015     220,000     $ 0.3       2.1     $  
Granted                        
Exercised                        
Forfeited     (25,000 )   $ 0.19       3.0        
Expired                        
Balance Outstanding, April 30, 2016     195,000     $ 0.29       0.9        
                                 
Exercisable, April 30, 2016     195,000     $ 0.29       0.9