Schedule of Long-Term Assets by Geographic Segment (Details) (USD $)	9 Months Ended	12 Months Ended
	Apr. 30, 2014	Jul. 31, 2013
Segmented Information Schedule Of Long-term Assets By Geographic Segment 1	$ 188,574
Segmented Information Schedule Of Long-term Assets By Geographic Segment 2	0
Segmented Information Schedule Of Long-term Assets By Geographic Segment 3	0
Segmented Information Schedule Of Long-term Assets By Geographic Segment 4	0
Segmented Information Schedule Of Long-term Assets By Geographic Segment 5	0
Segmented Information Schedule Of Long-term Assets By Geographic Segment 6	188,574
Segmented Information Schedule Of Long-term Assets By Geographic Segment 7	15,060,958
Segmented Information Schedule Of Long-term Assets By Geographic Segment 8	10,796,902
Segmented Information Schedule Of Long-term Assets By Geographic Segment 9	1,063,283
Segmented Information Schedule Of Long-term Assets By Geographic Segment 10	0
Segmented Information Schedule Of Long-term Assets By Geographic Segment 11	13,080,555
Segmented Information Schedule Of Long-term Assets By Geographic Segment 12	40,001,698
Segmented Information Schedule Of Long-term Assets By Geographic Segment 13	8,142,634
Segmented Information Schedule Of Long-term Assets By Geographic Segment 14	0
Segmented Information Schedule Of Long-term Assets By Geographic Segment 15	743
Segmented Information Schedule Of Long-term Assets By Geographic Segment 16	16,736
Segmented Information Schedule Of Long-term Assets By Geographic Segment 17	28,178
Segmented Information Schedule Of Long-term Assets By Geographic Segment 18	8,188,291
Segmented Information Schedule Of Long-term Assets By Geographic Segment 19	6,026,246
Segmented Information Schedule Of Long-term Assets By Geographic Segment 20	15,000
Segmented Information Schedule Of Long-term Assets By Geographic Segment 21	815
Segmented Information Schedule Of Long-term Assets By Geographic Segment 22	0
Segmented Information Schedule Of Long-term Assets By Geographic Segment 23	0
Segmented Information Schedule Of Long-term Assets By Geographic Segment 24	6,042,061
Segmented Information Schedule Of Long-term Assets By Geographic Segment 25	29,418,412
Segmented Information Schedule Of Long-term Assets By Geographic Segment 26	10,811,902
Segmented Information Schedule Of Long-term Assets By Geographic Segment 27	1,064,841
Segmented Information Schedule Of Long-term Assets By Geographic Segment 28	16,736
Segmented Information Schedule Of Long-term Assets By Geographic Segment 29	13,108,733
Segmented Information Schedule Of Long-term Assets By Geographic Segment 30	54,420,624
Segmented Information Schedule Of Long-term Assets By Geographic Segment 1		200,141
Segmented Information Schedule Of Long-term Assets By Geographic Segment 2		0
Segmented Information Schedule Of Long-term Assets By Geographic Segment 3		0
Segmented Information Schedule Of Long-term Assets By Geographic Segment 4		0
Segmented Information Schedule Of Long-term Assets By Geographic Segment 5		0
Segmented Information Schedule Of Long-term Assets By Geographic Segment 6		200,141
Segmented Information Schedule Of Long-term Assets By Geographic Segment 7		16,911,826
Segmented Information Schedule Of Long-term Assets By Geographic Segment 8		10,712,052
Segmented Information Schedule Of Long-term Assets By Geographic Segment 9		1,081,419
Segmented Information Schedule Of Long-term Assets By Geographic Segment 10		0
Segmented Information Schedule Of Long-term Assets By Geographic Segment 11		13,080,555
Segmented Information Schedule Of Long-term Assets By Geographic Segment 12		41,785,852
Segmented Information Schedule Of Long-term Assets By Geographic Segment 13		8,597,774
Segmented Information Schedule Of Long-term Assets By Geographic Segment 14		4,297
Segmented Information Schedule Of Long-term Assets By Geographic Segment 15		24,459
Segmented Information Schedule Of Long-term Assets By Geographic Segment 16		34,840
Segmented Information Schedule Of Long-term Assets By Geographic Segment 17		33,907
Segmented Information Schedule Of Long-term Assets By Geographic Segment 18		8,695,277
Segmented Information Schedule Of Long-term Assets By Geographic Segment 19		6,025,095
Segmented Information Schedule Of Long-term Assets By Geographic Segment 20		15,000
Segmented Information Schedule Of Long-term Assets By Geographic Segment 21		814
Segmented Information Schedule Of Long-term Assets By Geographic Segment 22		0
Segmented Information Schedule Of Long-term Assets By Geographic Segment 23		0
Segmented Information Schedule Of Long-term Assets By Geographic Segment 24		6,040,909
Segmented Information Schedule Of Long-term Assets By Geographic Segment 25		31,734,836
Segmented Information Schedule Of Long-term Assets By Geographic Segment 26		10,731,349
Segmented Information Schedule Of Long-term Assets By Geographic Segment 27		1,106,692
Segmented Information Schedule Of Long-term Assets By Geographic Segment 28		34,840
Segmented Information Schedule Of Long-term Assets By Geographic Segment 29		13,114,462
Segmented Information Schedule Of Long-term Assets By Geographic Segment 30		$ 56,722,179