CONDENSED CONSOLIDATED BALANCE SHEETS (USD $)	Apr. 30, 2015	Jul. 31, 2014
CURRENT ASSETS
Cash and cash equivalents	$ 1,423,447	$ 8,839,892
Inventories	2,193,888us-gaap_InventoryNet	1,896,475us-gaap_InventoryNet
Prepaid expenses and deposits	585,401	726,984
Other current assets	15,862us-gaap_OtherAssetsCurrent	19,872us-gaap_OtherAssetsCurrent
Current portion of deferred financing costs	83,811us-gaap_DeferredFinanceCostsCurrentNet	83,811us-gaap_DeferredFinanceCostsCurrentNet
Total Current Assets	4,302,409us-gaap_AssetsCurrent	11,567,034us-gaap_AssetsCurrent
DEFERRED FINANCING COSTS	104,763	167,621
MINERAL RIGHTS AND PROPERTIES	38,866,145us-gaap_MineralRights	39,488,699us-gaap_MineralRights
PROPERTY, PLANT AND EQUIPMENT	7,380,260us-gaap_PropertyPlantAndEquipmentNet	8,005,337us-gaap_PropertyPlantAndEquipmentNet
RECLAMATION DEPOSITS	1,706,025us-gaap_DepositsAssetsNoncurrent	5,678,629us-gaap_DepositsAssetsNoncurrent
Total Assets	52,359,602us-gaap_Assets	64,907,320us-gaap_Assets
CURRENT LIABILITIES
Accounts payable and accrued liabilities	1,574,358	2,088,284
Due to related parties	30,628us-gaap_DueToRelatedPartiesCurrent	11,234us-gaap_DueToRelatedPartiesCurrent
Current portion of asset retirement obligations	340,827	198,816
Total Current Liabilities	1,945,813us-gaap_LiabilitiesCurrent	2,298,334us-gaap_LiabilitiesCurrent
DEFERRED INCOME TAX LIABILITIES	684,012us-gaap_DeferredIncomeTaxLiabilities	711,477us-gaap_DeferredIncomeTaxLiabilities
LONG-TERM DEBT	19,636,948us-gaap_LongTermDebtNoncurrent	18,705,137us-gaap_LongTermDebtNoncurrent
ASSET RETIREMENT OBLIGATIONS	3,791,675	3,768,773
Total Liabilities	26,058,448us-gaap_Liabilities	25,483,721us-gaap_Liabilities
STOCKHOLDERS' EQUITY
Capital stock Common stock $0.001 par value: 750,000,000 shares authorized, 92,434,424 shares issued and outstanding (July 31, 2014 - 90,966,558)	92,440us-gaap_CommonStockValue	90,972us-gaap_CommonStockValue
Additional paid-in capital	212,835,360us-gaap_AdditionalPaidInCapital	208,008,312us-gaap_AdditionalPaidInCapital
Accumulated deficit	(186,611,642)	(168,662,146)
Accumulated other comprehensive loss	(15,004)	(13,539)
Total Stockholders' Equity	26,301,154us-gaap_StockholdersEquity	39,423,599us-gaap_StockholdersEquity
Total Liabilities And Stockholders' Equity	$ 52,359,602	$ 64,907,320

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.

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Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

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Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders. Includes adjustments to additional paid in capital. Some examples of such adjustments include recording the issuance of debt with a beneficial conversion feature and certain tax consequences of equity instruments awarded to employees. Use this element for the aggregate amount of additional paid-in capital associated with common and preferred stock. For additional paid-in capital associated with only common stock, use the element additional paid in capital, common stock. For additional paid-in capital associated with only preferred stock, use the element additional paid in capital, preferred stock.

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Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.

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Net amount of current deferred finance costs capitalized at the end of the reporting period.

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Net amount of long-term deferred finance costs capitalized at the end of the reporting period.

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Amount of deferred tax liability attributable to taxable temporary differences.

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Carrying value of amounts transferred to third parties for security purposes that are expected to be returned or applied towards payment after one year or beyond the operating cycle, if longer.

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Cumulative net losses reported during the development stage.

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Carrying amount as of the balance sheet date of obligations due all related parties. For classified balance sheets, represents the current portion of such liabilities (due within one year or within the normal operating cycle if longer).

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future.

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Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.

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Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer.

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Carrying amount of long-term debt, net of unamortized discount or premium, excluding amounts to be repaid within one year or the normal operating cycle, if longer (current maturities). Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Carrying amount at the balance sheet date of mineral rights, or rights to extract a mineral from the earth or to receive payment in the form of a royalty for the extraction of minerals, net of amortization.

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Aggregate carrying amount, as of the balance sheet date, of current assets not separately disclosed in the balance sheet. Current assets are expected to be realized or consumed within one year (or the normal operating cycle, if longer).

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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-Name Staff Accounting Bulletin (SAB)

-Number Topic 4

-Section E

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-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

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-Number 210

-Section 02

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