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Post-effective amendment to a registration statement that is not immediately effective upon filing

Stockholders' Equity (Deficiency) (Stock Options Narrative) (Details)

v2.4.0.8
Stockholders' Equity (Deficiency) (Stock Options Narrative) (Details) (USD $)
4 Months Ended 12 Months Ended 3 Months Ended 4 Months Ended 12 Months Ended 1 Months Ended 3 Months Ended 12 Months Ended 1 Months Ended 4 Months Ended 12 Months Ended 1 Months Ended
Apr. 30, 2013
Apr. 30, 2012
Apr. 30, 2014
Dec. 31, 2012
Dec. 17, 2012
Jul. 31, 2014
Employee [Member]
Jul. 31, 2013
Employee [Member]
Apr. 30, 2013
Employee [Member]
Apr. 30, 2012
Employee [Member]
Apr. 30, 2014
Employee [Member]
Dec. 31, 2012
Employee [Member]
Apr. 30, 2014
Employee [Member]
Minimum [Member]
Apr. 30, 2014
Employee [Member]
Maximum [Member]
Dec. 31, 2012
Non-employee [Member]
Mar. 31, 2012
Non-employee [Member]
Jul. 31, 2014
Non-employee [Member]
Jul. 31, 2013
Non-employee [Member]
Dec. 31, 2012
Non-employee [Member]
Dec. 31, 2012
Consultant [Member]
Oct. 31, 2012
Consultant [Member]
Apr. 30, 2013
Faculty [Member]
Apr. 30, 2014
Faculty [Member]
Oct. 31, 2012
Issuance One October 2012 [Member]
Oct. 31, 2012
Issuance Two October 2012 [Member]
Oct. 31, 2012
Michael Mathews [Member]
Issuance One October 2012 [Member]
Oct. 31, 2012
Michael Mathews [Member]
Issuance Two October 2012 [Member]
Oct. 31, 2012
Brad Powers [Member]
Issuance One October 2012 [Member]
Oct. 31, 2012
Brad Powers [Member]
Issuance Two October 2012 [Member]
Oct. 31, 2012
David Garrity [Member]
Issuance One October 2012 [Member]
Oct. 31, 2012
David Garrity [Member]
Issuance Two October 2012 [Member]
Oct. 31, 2012
Dr. Gerald Williams [Member]
Issuance Two October 2012 [Member]
Nov. 30, 2012
Director [Member]
Jul. 31, 2014
2012 Equity Incentive Plan [Member]
Jul. 02, 2014
2012 Equity Incentive Plan [Member]
May 14, 2013
2012 Equity Incentive Plan [Member]
Jan. 16, 2013
2012 Equity Incentive Plan [Member]
Sep. 28, 2012
2012 Equity Incentive Plan [Member]
Mar. 13, 2012
2012 Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                                                            
Equity Incentive Plan, shares authorized                                                                 14,300,000 14,300,000 9,300,000 8,000,000 5,600,000 2,500,000
Equity Incentive Plan, shares remaining                                                                 613,588          
Stock options issued during period               658,914   3,778,711 6,777,967       175,000         20,000 75,000   680,692 547,618 288,911 166,666 255,773 166,666 136,008 166,666 47,620 62,857            
Issuance of stock options to officers to settle accrued payroll          $ 238,562                                                                    
Options granted, exercise price               $ 0.35     $ 0.35 $ 0.17 $ 0.35   $ 1.00         $ 0.50         $ 0.35 $ 0.35 $ 0.35 $ 0.35 $ 0.35 $ 0.35 $ 0.35 $ 0.35            
Vested options                     910,214                                                      
Option expiration period               5 years   5 years 5 years       5 years         3 years         5 years 5 years 5 years 5 years 5 years 5 years 5 years              
Fair value of stock options granted               79,070   332,545 1,747,007       57,750     95,600   2,000 9,000                                  
Amount of debt forgiven from related party                                                               22,000            
Number of stock options repriced from $1.00 to $0.35         1,705,000                                                                  
Weighted average grant-date fair value of stock options granted     $ 0.06                                                                      
Unrecognized compensation cost     767,237     622,536                                                                
Weighted average recognition period     1 year 6 months     4 years                                                                
Share based compensation expense           96,455 148,608 153,818 81,605   252,057         748 748 95,600     244 2,968                                
Award Modification, Incremental Compensation Cost                           $ 15,750         $ 600