CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (USD $)	3 Months Ended		6 Months Ended
	Jan. 31, 2013	Jan. 31, 2012	Jan. 31, 2013	Jan. 31, 2012
SALES	$ 2,103,750	$ 3,120,000	$ 4,257,000	$ 6,240,000
COST OF SALES	2,091,285	1,740,768	3,954,394	3,160,854
GROSS PROFIT	12,465	1,379,232	302,606	3,079,146
EXPENSES
Mineral property expenditures	1,905,264	4,162,690	6,282,549	6,895,291
General and administrative	3,307,664	3,715,568	6,032,601	7,605,249
Depreciation, amortization and accretion	375,236	321,897	871,583	620,476
Total Operating Expenses	5,588,164	8,200,155	13,186,733	15,121,016
LOSS BEFORE OTHER ITEMS	(5,575,699)	(6,820,923)	(12,884,127)	(12,041,870)
OTHER ITEMS
Interest income	9,654	15,645	24,232	34,443
Interest expense	(5,189)	0	(11,299)	0
Gain (loss) on disposition of assets	4,963	(501)	4,963	(501)
Loss on fair value of convertible debentures	0	(22,484)	0	(48,439)
Gain (loss) on settlement of convertible debentures	0	152,806	0	(177,402)
Gain on settlement of accounts payable	0	128,213	10,909	128,213
Loss on settlement of asset retirement obligations	(21,939)	0	(30,511)	0
Total Non-Operating Income Expense	(12,511)	273,679	(1,706)	(63,686)
NET LOSS FOR THE PERIOD	(5,588,210)	(6,547,244)	(12,885,833)	(12,105,556)
OTHER COMPREHENSIVE (LOSS) INCOME, NET OF INCOME TAXES	(3,678)	268	(4,159)	(14,185)
TOTAL COMPREHENSIVE LOSS FOR THE PERIOD	$ (5,591,888)	$ (6,546,976)	$ (12,889,992)	$ (12,119,741)
NET LOSS PER SHARE, BASIC AND DILUTED	$ (0.06)	$ (0.09)	$ (0.15)	$ (0.16)
WEIGHTED AVERAGE NUMBER OF SHARES OUTSTANDING, BASIC AND DILUTED	85,293,298	75,515,864	85,233,112	75,006,312