CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	3 Months Ended
	Oct. 31, 2014	Oct. 31, 2013
CASH (USED IN) PROVIDED BY: OPERATING ACTIVITIES
Net loss for the period	$ (6,726,227)	$ (5,879,934)
Adjustments to reconcile net loss to net cash from operating activities
Stock-based compensation	1,454,296	337,902
Depletion, depreciation, amortization and accretion	900,652	1,102,367
Impairment loss on mineral property	0	28,891
Loss on fair value of variable share forward contract	0	231,762
Deferred income tax benefit	(21,503)	0
Changes in operating assets and liabilities
Accounts and interest receivable	191	(4,301)
Inventories	(88,788)	(312,467)
Prepaid expenses and deposits	(28,771)	(125,249)
Accounts payable and accrued liabilities	(325,085)	(1,259,043)
Settlement of asset retirement obligations	0	(12,123)
NET CASH FLOWS USED IN OPERATING ACTIVITIES	(4,835,235)	(5,892,195)
FINANCING ACTIVITIES
Shares issuance for cash, net of issuance costs	420,591	6,713,504
Debt financing costs	0	(188,107)
Due to related parties	(5,689)	(217)
NET CASH FLOWS PROVIDED BY FINANCING ACTIVITIES	414,902	6,525,180
INVESTING ACTIVITIES
Investment in mineral rights and properties	0	(83,823)
Purchase of property, plant and equipment	(5,993)	(21,895)
Increase in reclamation deposits	(345)	(510)
NET CASH FLOWS USED IN INVESTING ACTIVITIES	(6,338)	(106,228)
NET CASH FLOWS	(4,426,671)	526,757
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	8,839,892	14,171,807
CASH AND CASH EQUIVALENTS, END OF PERIOD	$ 4,413,221	$ 14,698,564