Stock Options (Details Narrative) (USD $)	0 Months Ended	3 Months Ended		9 Months Ended		0 Months Ended
	Nov. 20, 2013	Jan. 31, 2015	Jan. 31, 2014	Jan. 31, 2015	Jan. 31, 2014	Sep. 24, 2014	Jan. 23, 2015	Apr. 30, 2014
Shares reserved for issuance under equity incentive plan		120,000,000		120,000,000
Number of options, outstanding		108,938,281		108,938,281				88,038,281
Weighted average exercise price of options		$ 0.06		$ 0.06				$ 0.06
Number of options, exercisable		30,438,280		30,438,280				24,204,947
Stock based compensation expense				$ 674,254	$ 418,250
Stock options, exercise price		$ 0.064		$ 0.064
Unrecognized stock based compensation expense		2,891,201		2,891,201
Weighted average exercise period				2 years 14 days
Number of shares grants during period				21,000,000
Common Share value of option grants				$ (0.06)
Total grant date fair value of option grants				1,075,072
Option maturity period	10 years
Aggregate intrinsic value of warrants		0		0
General and administrative		228,075	841,052	902,329	1,315,349
General and Administrative Expense [Member]
General and administrative		28,706		325,494
Consultant 1 [Member]
Number of shares grants during period	2,333,333
Common Share value of option grants	0.057
Expected volatility	174.00%
Discount rate	2.57%
Consultant 2 [Member]
Number of shares grants during period	1,833,333
Common Share value of option grants	0.057
Expected volatility	174.00%
Discount rate	2.57%
Consultant 3 [Member]
Number of shares grants during period						5,000,000
Common Share value of option grants						$ 0.057
Expected volatility						174.00%
Discount rate						2.57%
Consultant 4 [Member]
Number of shares grants during period						2,500,000
Common Share value of option grants						$ 0.057
Expected volatility						174.00%
Discount rate						2.57%
Consultant 5 [Member]
Number of shares grants during period						3,000,000
Common Share value of option grants						$ 0.057
Expected volatility						174.00%
Discount rate						2.57%
Consultant 6 [Member]
Number of shares grants during period						6,500,000
Common Share value of option grants						$ 0.057
Expected volatility						174.00%
Discount rate						2.57%
Consultant 7 [Member]
Number of shares grants during period						2,000,000
Common Share value of option grants						$ 0.057
Expected volatility						174.00%
Discount rate						2.57%
Consultant 8 [Member]
Number of shares grants during period							2,000,000
Common Share value of option grants							$ 0.028
Expected volatility							178.00%
Discount rate							1.81%
Total grant date fair value of option grants							55,746
General and administrative							$ 11,149