Segmented Information (Narrative) (Details) (USD $)	12 Months Ended
	Apr. 30, 2014
Segmented Information 1	$ 6,038,541
Segmented Information 2	7,425,015
Segmented Information 3	2,418,945
Segmented Information 4	2,855,554
Segmented Information 5	561,847
Segmented Information 6	557,989
Segmented Information 7	229,490
Segmented Information 8	271,529
Segmented Information 9	76,552
Segmented Information 10	286,983
Segmented Information 11	76,392
Segmented Information 12	281,544
Segmented Information 13	249,141
Segmented Information 14	786,596
Segmented Information 15	176,071
Segmented Information 16	82,392
Segmented Information 17	125,644
Segmented Information 18	245,116
Segmented Information 19	66,934
Segmented Information 20	154,865
Segmented Information 21	345,743
Segmented Information 22	632,399
Segmented Information 23	125,893
Segmented Information 24	1,796
Segmented Information 25	113,989
Segmented Information 26	145,322
Segmented Information 27	66,719
Segmented Information 28	137,746
Segmented Information 29	253,441
Segmented Information 30	321,344
Segmented Information 31	334,414
Segmented Information 32	$ 663,643