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, net of income taxes	0	0	8,534,081
INCOME FROM DISCONTINUED OPERATIONS	0	0	8,534,081
NET LOSS FOR THEYEAR	(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)	$ (0.40)	$ (0.39)
Income from discontinued operations			$ 0.14
NET LOSS PER SHARE, BASIC AND DILUTED	$ (0.32)	$ (0.40)	$ (0.25)
WEIGHTED AVERAGE NUMBER OF SHARES OUTSTANDING, BASIC AND DILUTED	78,325,648	68,799,322	59,017,166