CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (USD $)	3 Months Ended		9 Months Ended
	Apr. 30, 2014	Apr. 30, 2013	Apr. 30, 2014	Apr. 30, 2013
SALES	$ 0	$ 2,789,325	$ 0	$ 7,046,325
COSTS AND EXPENSES
Cost of sales	0	2,271,267	0	6,225,661
Inventory write-down	338,101	0	730,250	0
Mineral property expenditures	2,739,349	1,827,147	6,911,512	8,109,696
General and administrative	1,808,395	2,244,682	7,196,664	8,277,283
Depreciation, amortization and accretion	577,045	344,980	1,766,005	1,216,563
Impairment loss on mineral properties	428,164	0	457,055	0
Total Operating Expenses	5,891,054	6,688,076	17,061,486	23,829,203
LOSS FROM OPERATIONS	(5,891,054)	(3,898,751)	(17,061,486)	(16,782,878)
OTHER INCOME (EXPENSES)
Interest income	7,317	6,318	20,647	30,550
Interest and finance costs	(535,802)	(5,020)	(2,165,337)	(16,319)
Gain (loss) on disposition of assets	0	(714)	(2,553)	4,249
Loss on fair value of variable share forward contract	(288,436)	0	(557,037)	0
Gain on settlement of accounts payable	0	0	0	10,909
Gain (loss) on settlement of asset retirement obligations	10,868	(1,878)	9,831	(32,389)
Total Non-Operating Income Expense	(806,053)	(1,294)	(2,694,449)	(3,000)
NET LOSS FOR THE PERIOD	(6,697,107)	(3,900,045)	(19,755,935)	(16,785,878)
OTHER COMPREHENSIVE LOSS, NET OF INCOME TAXES	(7,228)	(234)	(13,555)	(4,393)
TOTAL COMPREHENSIVE LOSS FOR THE PERIOD	$ (6,704,335)	$ (3,900,279)	$ (19,769,490)	$ (16,790,271)
NET LOSS PER SHARE, BASIC AND DILUTED	$ (0.07)	$ (0.05)	$ (0.22)	$ (0.20)
WEIGHTED AVERAGE NUMBER OF SHARES OUTSTANDING, BASIC AND DILUTED	89,924,411	85,496,171	88,666,564	85,318,871