Schedule of Earnings Per Share, Basic and Diluted (Details) - 3 months ended Jul. 31, 2015	USD ($)
Earnings (loss) Per Common Share (eps) Schedule Of Earnings Per Share, Basic And Diluted 1	$ (1,111,105)
Earnings (loss) Per Common Share (eps) Schedule Of Earnings Per Share, Basic And Diluted 2	(1,063,373)
Earnings (loss) Per Common Share (eps) Schedule Of Earnings Per Share, Basic And Diluted 3	42,366,916
Earnings (loss) Per Common Share (eps) Schedule Of Earnings Per Share, Basic And Diluted 4	$ 42,592,851
Earnings (loss) Per Common Share (eps) Schedule Of Earnings Per Share, Basic And Diluted 5	(0.03)
Earnings (loss) Per Common Share (eps) Schedule Of Earnings Per Share, Basic And Diluted 6	(0.02)