CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	3 Months Ended
	Oct. 31, 2013	Oct. 31, 2012
CASH (USED IN) PROVIDED BY: OPERATING ACTIVITIES
Net loss for the period	$ (5,879,934)	$ (7,297,623)
Adjustments to reconcile net loss to net cash from operating activities
Stock-based compensation	337,902	433,643
Depletion, depreciation, amortization and accretion	1,102,367	700,658
Impairment loss on mineral property	28,891	0
Loss on fair value of variable share forward contract	231,762	0
Gain on settlement of accounts payable	0	(10,909)
Loss on settlement of asset retirement obligations	0	8,572
Changes in operating assets and liabilities
Accounts and interest receivable	(4,301)	(52,276)
Inventories	(312,467)	278,474
Prepaid expenses and deposits	(125,249)	(136,436)
Accounts payable and accrued liabilities	(1,259,043)	(1,601,224)
Settlement of asset retirement obligations	(12,123)	(44,713)
NET CASH FLOWS USED IN OPERATING ACTIVITIES	(5,892,195)	(7,721,834)
FINANCING ACTIVITIES
Share issuance for cash, net of issuance costs	6,713,504	39,748
Debt financing costs	(188,107)	0
Due to related parties	(217)	(33,446)
NET CASH FLOWS PROVIDED BY FINANCING ACTIVITIES	6,525,180	6,302
INVESTING ACTIVITIES
Investment in mineral rights and properties	(83,823)	(7,396)
Purchase of property, plant and equipment	(21,895)	(103,190)
Reclamation deposits	(510)	(2,048)
NET CASH FLOWS USED IN INVESTING ACTIVITIES	(106,228)	(112,634)
NET CASH FLOWS	526,757	(7,828,166)
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	14,171,807	25,015,284
CASH AND CASH EQUIVALENTS, END OF PERIOD	$ 14,698,564	$ 17,187,118