Schedule of Agreements by Year (Details) (USD $)	12 Months Ended
	Apr. 30, 2014
Commitments Schedule Of Agreements By Year 1	$ 93,977
Commitments Schedule Of Agreements By Year 2	609,148
Commitments Schedule Of Agreements By Year 3	703,125
Commitments Schedule Of Agreements By Year 4	93,977
Commitments Schedule Of Agreements By Year 5	638,371
Commitments Schedule Of Agreements By Year 6	732,348
Commitments Schedule Of Agreements By Year 7	93,977
Commitments Schedule Of Agreements By Year 8	587,280
Commitments Schedule Of Agreements By Year 9	681,257
Commitments Schedule Of Agreements By Year 10	93,977
Commitments Schedule Of Agreements By Year 11	566,382
Commitments Schedule Of Agreements By Year 12	660,359
Commitments Schedule Of Agreements By Year 13	93,977
Commitments Schedule Of Agreements By Year 14	568,627
Commitments Schedule Of Agreements By Year 15	662,604
Commitments Schedule Of Agreements By Year 16	0
Commitments Schedule Of Agreements By Year 17	236,928
Commitments Schedule Of Agreements By Year 18	236,928
Commitments Schedule Of Agreements By Year 19	469,885
Commitments Schedule Of Agreements By Year 20	3,206,736
Commitments Schedule Of Agreements By Year 21	$ 3,676,621