Schedule of Agreements by Year (Details) (USD $)	6 Months Ended
	Oct. 31, 2013
Commitments Schedule Of Agreements By Year 1	$ 34,453
Commitments Schedule Of Agreements By Year 2	257,535
Commitments Schedule Of Agreements By Year 3	291,988
Commitments Schedule Of Agreements By Year 4	0
Commitments Schedule Of Agreements By Year 5	267,776
Commitments Schedule Of Agreements By Year 6	267,776
Commitments Schedule Of Agreements By Year 7	0
Commitments Schedule Of Agreements By Year 8	63,540
Commitments Schedule Of Agreements By Year 9	63,540
Commitments Schedule Of Agreements By Year 10	0
Commitments Schedule Of Agreements By Year 11	5,295
Commitments Schedule Of Agreements By Year 12	5,295
Commitments Schedule Of Agreements By Year 13	34,453
Commitments Schedule Of Agreements By Year 14	594,146
Commitments Schedule Of Agreements By Year 15	$ 628,599