Consolidated Balance Sheets (USD $)	Dec. 31, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 123,683	$ 20,343
Certificates of deposit	249,147	246,565
Accounts receivable, net	454,674us-gaap_AccountsReceivableNetCurrent	576,021us-gaap_AccountsReceivableNetCurrent
Inventories	1,433,539us-gaap_InventoryNet	1,034,770us-gaap_InventoryNet
Other current assets	42,626us-gaap_OtherAssetsCurrent	32,865us-gaap_OtherAssetsCurrent
Total current assets	2,303,669us-gaap_AssetsCurrent	1,910,564us-gaap_AssetsCurrent
Properties, plants and equipment, net	13,511,803us-gaap_PropertyPlantAndEquipmentNet	12,395,645us-gaap_PropertyPlantAndEquipmentNet
Restricted cash for reclamation bonds	75,754	75,501
Other assets	653,805us-gaap_OtherAssetsNoncurrent	509,281us-gaap_OtherAssetsNoncurrent
Total assets	16,545,031us-gaap_Assets	14,890,991us-gaap_Assets
Current liabilities:
Accounts payable	1,821,673us-gaap_AccountsPayableCurrent	1,734,767us-gaap_AccountsPayableCurrent
Due to factor	13,314UAMY_DueToFactor	177,701UAMY_DueToFactor
Accrued payroll, taxes and interest	135,245	124,937
Other accrued liabilities	38,811us-gaap_OtherAccruedLiabilitiesCurrent	50,745us-gaap_OtherAccruedLiabilitiesCurrent
Payables to related parties	8,357us-gaap_DueToRelatedPartiesCurrent	15,549us-gaap_DueToRelatedPartiesCurrent
Deferred revenue	115,962us-gaap_DeferredRevenue	110,138us-gaap_DeferredRevenue
Notes payable to bank	0us-gaap_NotesPayableToBankCurrent	138,520us-gaap_NotesPayableToBankCurrent
Long-term debt, current	159,278us-gaap_LongTermDebtCurrent	126,984us-gaap_LongTermDebtCurrent
Total current liabilities	2,292,640us-gaap_LiabilitiesCurrent	2,479,341us-gaap_LiabilitiesCurrent
Long-term debt, net of discount and current portion	715,328us-gaap_LongTermDebtNoncurrent	1,002,215us-gaap_LongTermDebtNoncurrent
Hillgrove advances payable	161,339UAMY_HillgroveAdvancesPayable	0UAMY_HillgroveAdvancesPayable
Stock payable to directors for services	125,000UAMY_StockPayableToDirectorsForServices	150,000UAMY_StockPayableToDirectorsForServices
Asset retirement obligation and accrued reclamation costs	255,190	257,580
Total liabilities	3,549,497us-gaap_Liabilities	3,889,136us-gaap_Liabilities
Commitments and contingencies (Note 4 and 16)
Stockholders' equity:
Preferred stock $0.01 par value, 10,000,000 shares authorized: Series A: -0- shares issued and outstanding	0us-gaap_PreferredStockValue	0us-gaap_PreferredStockValue
Series B: 750,000 shares issued and outstanding (liquidation preference $900,000 and $892,500, respectively)	7,500UAMY_SeriesBPreferredStockValue	7,500UAMY_SeriesBPreferredStockValue
Series C: 177,904 shares issued and outstanding (liquidation preference $97,847 both years)	1,779UAMY_SeriesCPreferredStockValue	1,779UAMY_SeriesCPreferredStockValue
Series D: 1,751,005 shares issued and outstanding (liquidation preference $4,837,880 and $4,796,731, respectively)	17,509UAMY_SeriesDPreferredStockValue	17,509UAMY_SeriesDPreferredStockValue
Common stock, $0.01 par vaue, 90,000,000 shares authorized; 66,027,453 and 63,156,206 shares issued and outstanding, respectively	660,274us-gaap_CommonStockValue	631,562us-gaap_CommonStockValue
Additional paid-in capital	35,740,671us-gaap_AdditionalPaidInCapital	32,030,249us-gaap_AdditionalPaidInCapital
Notes receivable for stock sales	(150,000)	0
Accumulated deficit	(23,282,199)	(21,686,744)
Total stockholders' equity	12,995,534us-gaap_StockholdersEquity	11,001,855us-gaap_StockholdersEquity
Total liabilities and stockholders' equity	$ 16,545,031	$ 14,890,991

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Carrying value as of the balance sheet date of obligations incurred through that date and payable arising from transactions not otherwise specified in the taxonomy. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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

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

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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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Amounts due from owners or affiliates of the reporting entity related to issuance of the entity's capital stock before cash payment is received (does not include amounts due from officers or directors). This element would also include the receivable for proceeds from the issuance of shares under employee stock option exercises which proceeds have not been received as of the reporting date due to the timing of the transaction date versus the settlement date.

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The noncurrent cash, cash equivalents and investments that is restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits classified as long-term; that is not expected to be released from such existing restrictions within one year of the balance sheet date or operating cycle, whichever is longer. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. Includes noncurrent cash equivalents and investments that are similarly restricted as to withdrawal, usage or disposal.

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The cumulative amount of the reporting entity's undistributed earnings or deficit.

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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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