CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (USD $)	12 Months Ended
	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2010
SALES	$ 13,757,400	$ 0	$ 0
COST OF SALES	8,112,040	0	0
GROSS PROFIT	5,645,360	0	0
EXPENSES
Mineral property expenditures	14,938,722	11,420,180	6,438,714
General and administrative	14,036,974	15,187,066	15,154,329
Depreciation, amortization and accretion	1,275,557	1,155,959	794,504
Impairment loss on mineral properties	0	143,396	43,600
Total Operating Expenses	30,251,253	27,906,601	22,431,147
LOSS BEFORE OTHER ITEMS	(24,605,893)	(27,906,601)	(22,431,147)
OTHER ITEMS
Interest income	69,328	49,058	27,600
Interest expense	(30,898)	0	0
Gain (loss) on disposition of assets	6,999	(9,234)	(3,677)
Gain on sale of investments	0	508,682	0
Loss on fair value of convertible debentures	(49,681)	0	0
Loss on settlement of convertible debentures	(312,207)	0	0
Gain on settlement of accounts payable	221,292	0	0
Loss on settlement of asset retirement obligations	(444,448)	0	0
Other income	0	0	30,549
Transaction costs	0	0	(636,075)
Total Non-Operating Income (Expense)	(539,615)	548,506	(581,603)
LOSS FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	(25,145,508)	(27,358,095)	(23,012,750)
DEFERRED INCOME TAX BENEFIT	61,788	0	0
LOSS FROM CONTINUING OPERATIONS	(25,083,720)	(27,358,095)	(23,012,750)
DISCONTINUED OPERATIONS
Gain on sale of discontinued operations	0	0	8,534,081
INCOME FROM DISCONTINUED OPERATIONS			8,534,081
NET LOSS FOR THE YEAR	(25,083,720)	(27,358,095)	(14,478,669)
OTHER COMPREHENSIVE (LOSS) INCOME, NET OF INCOME TAXES	(52,753)	25,778	(5,752)
TOTAL COMPREHENSIVE LOSS FOR THE YEAR	$ (25,136,473)	$ (27,332,317)	$ (14,484,421)
NET LOSS PER SHARE, BASIC AND DILUTED
Loss from continuing operations	$ (0.32)	$ (0.4)	$ (0.39)
Income from discontinued operations			$ 0.14
NET LOSS PER SHARE, BASIC AND DILUTED	$ (0.32)	$ (0.4)	$ (0.25)
WEIGHTED AVERAGE NUMBER OF SHARES OUTSTANDING, BASIC AND DILUTED	78,325,648	68,799,322	59,017,166