Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Stock Options Narrative) (Details)

v3.3.1.900
Stockholders' Equity (Stock Options Narrative) (Details)
9 Months Ended
Dec. 11, 2015
USD ($)
$ / shares
shares
Nov. 20, 2015
USD ($)
Item
$ / shares
shares
Sep. 23, 2015
USD ($)
Item
$ / shares
shares
Aug. 05, 2015
USD ($)
$ / shares
shares
Jun. 08, 2015
USD ($)
$ / shares
shares
Jan. 31, 2016
USD ($)
shares
Jan. 31, 2015
USD ($)
Nov. 30, 2015
shares
Apr. 29, 2015
$ / shares
Sep. 30, 2014
shares
Jul. 31, 2014
shares
Mar. 13, 2012
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Price per share | $ / shares                 $ 0.155      
Options granted, exercise price | $ / shares         $ 0.168              
Share based compensation expense | $           $ 223,657 $ 334,723          
Equity Incentive Plan [Member]                        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Equity Incentive Plan, shares authorized               20,300,000   16,300,000 14,300,000 9,300,000
Equity Incentive Plan, shares remaining           1,192,687            
CEO [Member]                        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Fair value of grants | $ $ 105,000                      
Vesting period 3 years                      
Options granted, exercise price | $ / shares $ 0.175                      
Weighted average recognition period 10 years                      
Options granted 1,500,000                      
Director [Member]                        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Stock options issued during period   250,000                    
Number of directors to whom stock option granted | Item   3                    
Fair value of grants | $   $ 37,500                    
Vesting period   5 years                    
Options granted, exercise price | $ / shares   $ 0.165                    
Options granted   750,000                    
Employee [Member]                        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Stock options issued during period     465,000                  
Number of employee to whom stock option granted | Item     39                  
Fair value of grants | $     $ 48,600                  
Vesting period     3 years                  
Options granted, exercise price | $ / shares     $ 0.131                  
Unrecognized compensation cost | $           $ 528,000            
Weighted average recognition period           3 years 6 months            
Vice President [Member]                        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Stock options issued during period       500,000                
Price per share | $ / shares       $ 0.18                
Fair value of grants | $       $ 30,000                
Vesting period       3 years                
Chief Academic Officer [Member]                        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Stock options issued during period         1,000,000              
Fair value of grants | $         $ 60,000              
Chief Operating Officer [Member]                        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Stock options issued during period         700,000              
Fair value of grants | $         $ 42,000              
Chief Financial Officer [Member]                        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Stock options issued during period         300,000              
Fair value of grants | $         $ 18,000