Schedule of Earnings Per Share, Basic and Diluted (Details) (USD $)	12 Months Ended
	Apr. 30, 2014	Apr. 30, 2013
Earnings (loss) Per Common Share Schedule Of Earnings Per Share, Basic And Diluted 1	$ (5,914,547)
Earnings (loss) Per Common Share Schedule Of Earnings Per Share, Basic And Diluted 2	42,126,733
Earnings (loss) Per Common Share Schedule Of Earnings Per Share, Basic And Diluted 3	(0.14)
Earnings (loss) Per Common Share Schedule Of Earnings Per Share, Basic And Diluted 4	0
Earnings (loss) Per Common Share Schedule Of Earnings Per Share, Basic And Diluted 5	0
Earnings (loss) Per Common Share Schedule Of Earnings Per Share, Basic And Diluted 6	(5,914,547)
Earnings (loss) Per Common Share Schedule Of Earnings Per Share, Basic And Diluted 7	42,126,733
Earnings (loss) Per Common Share Schedule Of Earnings Per Share, Basic And Diluted 8	(0.14)
Earnings (loss) Per Common Share Schedule Of Earnings Per Share, Basic And Diluted 1		472,280
Earnings (loss) Per Common Share Schedule Of Earnings Per Share, Basic And Diluted 2		41,519,117
Earnings (loss) Per Common Share Schedule Of Earnings Per Share, Basic And Diluted 3		0.01
Earnings (loss) Per Common Share Schedule Of Earnings Per Share, Basic And Diluted 4		(927,703)
Earnings (loss) Per Common Share Schedule Of Earnings Per Share, Basic And Diluted 5		117,908
Earnings (loss) Per Common Share Schedule Of Earnings Per Share, Basic And Diluted 6		(455,423)
Earnings (loss) Per Common Share Schedule Of Earnings Per Share, Basic And Diluted 7		$ 41,637,025
Earnings (loss) Per Common Share Schedule Of Earnings Per Share, Basic And Diluted 8		(0.01)