Segmented Information (Narrative) (Details) (USD $)	6 Months Ended
	Oct. 31, 2013
Segmented Information 1	$ 1,491,481
Segmented Information 2	2,700,339
Segmented Information 3	1,865,651
Segmented Information 4	3,800,737
Segmented Information 5	388,985
Segmented Information 6	1,074,234
Segmented Information 7	397,832
Segmented Information 8	1,383,263
Segmented Information 9	48,502
Segmented Information 10	210,642
Segmented Information 11	182,250
Segmented Information 12	305,396
Segmented Information 13	50,963
Segmented Information 14	98,124
Segmented Information 15	58,088
Segmented Information 16	188,501
Segmented Information 17	44,525
Segmented Information 18	50,195
Segmented Information 19	11,525
Segmented Information 20	43,754
Segmented Information 21	15,022
Segmented Information 22	36,395
Segmented Information 23	216,871
Segmented Information 24	233,664
Segmented Information 25	19,470
Segmented Information 26	33,077
Segmented Information 27	35,424
Segmented Information 28	214,805
Segmented Information 29	42,640
Segmented Information 30	197,308
Segmented Information 31	118,249
Segmented Information 32	474,129
Segmented Information 33	25,906
Segmented Information 34	51,196
Segmented Information 35	24,782
Segmented Information 36	45,084
Segmented Information 37	25,025
Segmented Information 38	25,907
Segmented Information 39	0
Segmented Information 40	0
Segmented Information 41	18,028
Segmented Information 42	38,717
Segmented Information 43	11,302
Segmented Information 44	28,837
Segmented Information 45	17,858
Segmented Information 46	42,213
Segmented Information 47	38,884
Segmented Information 48	116,142
Segmented Information 49	78,950
Segmented Information 50	137,010
Segmented Information 51	49,209
Segmented Information 52	59,910
Segmented Information 53	33,995
Segmented Information 54	185,843
Segmented Information 55	99,192
Segmented Information 56	119,761
Segmented Information 57	17,506
Segmented Information 58	39,756
Segmented Information 59	8,062
Segmented Information 60	153,551
Segmented Information 61	5,427
Segmented Information 62	24,264
Segmented Information 63	102,031
Segmented Information 64	106,172
Segmented Information 65	335,837
Segmented Information 66	321,344
Segmented Information 67	159,000
Segmented Information 68	$ 663,643