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Consolidated Statements of Cash Flows (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Cash Flows From Operating Activities:      
Net income loss $ (1,595,455)us-gaap_NetIncomeLoss $ (1,641,170)us-gaap_NetIncomeLoss $ (558,536)us-gaap_NetIncomeLoss
Adjustments to reconcile net loss to net cash provided (used) by operating activities:      
Depreciation and amortization expense 780,782us-gaap_DepreciationAndAmortization 688,738us-gaap_DepreciationAndAmortization 472,990us-gaap_DepreciationAndAmortization
Gain on sale of asset (35,450)us-gaap_GainLossOnDispositionOfAssets1 0us-gaap_GainLossOnDispositionOfAssets1 0us-gaap_GainLossOnDispositionOfAssets1
Accretion of asset retirement obligation (2,390)us-gaap_AssetRetirementObligationAccretionExpense 8,040us-gaap_AssetRetirementObligationAccretionExpense 8,040us-gaap_AssetRetirementObligationAccretionExpense
Common stock issued for services 39,000us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims 0us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims 221,228us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims
Deferred income taxes 0us-gaap_DeferredIncomeTaxExpenseBenefit 229,451us-gaap_DeferredIncomeTaxExpenseBenefit 167,107us-gaap_DeferredIncomeTaxExpenseBenefit
Change in:      
Accounts receivable, net 121,347us-gaap_IncreaseDecreaseInAccountsReceivable (119,862)us-gaap_IncreaseDecreaseInAccountsReceivable 982,405us-gaap_IncreaseDecreaseInAccountsReceivable
Inventories (398,769)us-gaap_IncreaseDecreaseInInventories 157,419us-gaap_IncreaseDecreaseInInventories (125,376)us-gaap_IncreaseDecreaseInInventories
Other current assets (12,596)us-gaap_IncreaseDecreaseInOtherCurrentAssets 137,664us-gaap_IncreaseDecreaseInOtherCurrentAssets (114,321)us-gaap_IncreaseDecreaseInOtherCurrentAssets
Other assets (104,524)us-gaap_IncreaseDecreaseInOtherOperatingAssets (13,984)us-gaap_IncreaseDecreaseInOtherOperatingAssets (443,730)us-gaap_IncreaseDecreaseInOtherOperatingAssets
Accounts payable 86,906us-gaap_IncreaseDecreaseInAccountsPayable 474,438us-gaap_IncreaseDecreaseInAccountsPayable 186,283us-gaap_IncreaseDecreaseInAccountsPayable
Accrued payroll, taxes and interest 10,308us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities 35,396us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities (52,387)us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities
Other accrued liabilities (11,934)us-gaap_IncreaseDecreaseInOtherAccruedLiabilities 20,525us-gaap_IncreaseDecreaseInOtherAccruedLiabilities (89,072)us-gaap_IncreaseDecreaseInOtherAccruedLiabilities
Stock payable to directors for services 125,000UAMY_CommonStockIssuedToDirectorsForServices 150,000UAMY_CommonStockIssuedToDirectorsForServices 0UAMY_CommonStockIssuedToDirectorsForServices
Deferred revenue (31,408)us-gaap_IncreaseDecreaseInDeferredRevenue 110,138us-gaap_IncreaseDecreaseInDeferredRevenue (43,760)us-gaap_IncreaseDecreaseInDeferredRevenue
Payables to related parties (7,192)us-gaap_IncreaseDecreaseInDueToRelatedPartiesCurrent (1,973)us-gaap_IncreaseDecreaseInDueToRelatedPartiesCurrent (84,452)us-gaap_IncreaseDecreaseInDueToRelatedPartiesCurrent
Net cash provided (used) by operating activities (1,036,375)us-gaap_NetCashProvidedByUsedInOperatingActivities 234,820us-gaap_NetCashProvidedByUsedInOperatingActivities 526,419us-gaap_NetCashProvidedByUsedInOperatingActivities
Cash Flows From Investing Activities:      
Purchase of certificates of deposit 0us-gaap_PaymentsForDeposits 0us-gaap_PaymentsForDeposits (244,090)us-gaap_PaymentsForDeposits
Purchase of properties, plants and equipment (1,826,553)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment (2,733,762)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment (3,269,811)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Net cash used by investing activities (1,826,553)us-gaap_NetCashProvidedByUsedInInvestingActivities (2,733,762)us-gaap_NetCashProvidedByUsedInInvestingActivities (3,513,901)us-gaap_NetCashProvidedByUsedInInvestingActivities
Cash Flows From Financing Activities:      
Net proceeds from (payments to) factor (164,387)UAMY_NetProceedsFromFactor 154,164UAMY_NetProceedsFromFactor (123,053)UAMY_NetProceedsFromFactor
Proceeds from Hillgrove advances 198,571UAMY_ProceedsHillgroveAdvances 0UAMY_ProceedsHillgroveAdvances 0UAMY_ProceedsHillgroveAdvances
Proceeds from sale of common stock and exercise of warrants, net of offering costs 3,070,134UAMY_ProceedsFromSaleOfCommonStockAndWarrantsNetOfOfferingCosts 1,147,195UAMY_ProceedsFromSaleOfCommonStockAndWarrantsNetOfOfferingCosts 4,624,763UAMY_ProceedsFromSaleOfCommonStockAndWarrantsNetOfOfferingCosts
Issuance of common stock pursuant to exercise of warrants 0us-gaap_ProceedsFromWarrantExercises 0us-gaap_ProceedsFromWarrantExercises 60,000us-gaap_ProceedsFromWarrantExercises
Proceeds from notes payable to bank 0us-gaap_ProceedsFromNotesPayable 138,520us-gaap_ProceedsFromNotesPayable 0us-gaap_ProceedsFromNotesPayable
Payments on notes to bank (138,520)UAMY_PaymentsOnNotesBank 0UAMY_PaymentsOnNotesBank 0UAMY_PaymentsOnNotesBank
Payments on long-term debt (129,530)us-gaap_RepaymentsOfLongTermDebt (273,405)us-gaap_RepaymentsOfLongTermDebt (464,936)us-gaap_RepaymentsOfLongTermDebt
Proceeds from long term debt 130,000us-gaap_ProceedsFromIssuanceOfLongTermDebt 352,000us-gaap_ProceedsFromIssuanceOfLongTermDebt 0us-gaap_ProceedsFromIssuanceOfLongTermDebt
Proceeds from related party loans 65,300us-gaap_ProceedsFromCollectionOfLongtermLoansToRelatedParties 0us-gaap_ProceedsFromCollectionOfLongtermLoansToRelatedParties 0us-gaap_ProceedsFromCollectionOfLongtermLoansToRelatedParties
Payments on related party loans (65,300)us-gaap_PaymentsToFundLongtermLoansToRelatedParties 0us-gaap_PaymentsToFundLongtermLoansToRelatedParties 0us-gaap_PaymentsToFundLongtermLoansToRelatedParties
Change in checks issued and payable 0UAMY_ChangeInChecksIssuedAndPayable 0UAMY_ChangeInChecksIssuedAndPayable (113,908)UAMY_ChangeInChecksIssuedAndPayable
Net cash provided by financing activities 2,966,268us-gaap_NetCashProvidedByUsedInFinancingActivities 1,518,474us-gaap_NetCashProvidedByUsedInFinancingActivities 3,982,866us-gaap_NetCashProvidedByUsedInFinancingActivities
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS 103,340us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease (980,468)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease 995,384us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
Cash and cash equivalents at beginning of year 20,343us-gaap_CashAndCashEquivalentsAtCarryingValue 1,000,811us-gaap_CashAndCashEquivalentsAtCarryingValue 5,427us-gaap_CashAndCashEquivalentsAtCarryingValue
Cash and cash equivalents at end of year 123,683us-gaap_CashAndCashEquivalentsAtCarryingValue 20,343us-gaap_CashAndCashEquivalentsAtCarryingValue 1,000,811us-gaap_CashAndCashEquivalentsAtCarryingValue
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION      
Interest paid in cash (net of amount capitailzed) 1,118us-gaap_InterestPaid 2,529us-gaap_InterestPaid 2,691us-gaap_InterestPaid
Properties, plants & equipment acquired with long-term debt 29,185UAMY_PropertiesPlantsEquipmentAcquiredWithLongTermDebt 762,541UAMY_PropertiesPlantsEquipmentAcquiredWithLongTermDebt 665,150UAMY_PropertiesPlantsEquipmentAcquiredWithLongTermDebt
Properties, plants and equipment acquired with accounts payable 0UAMY_PaymentOfLongtermDebtWithEquipment 79,105UAMY_PaymentOfLongtermDebtWithEquipment 0UAMY_PaymentOfLongtermDebtWithEquipment
Imputed interest included in property, plant and equipment 45,752UAMY_ImputedInterestIncludedPropertyPlantEquipment 0UAMY_ImputedInterestIncludedPropertyPlantEquipment 0UAMY_ImputedInterestIncludedPropertyPlantEquipment
Common stock issued to directors 150,000us-gaap_ShareBasedCompensation 0us-gaap_ShareBasedCompensation 0us-gaap_ShareBasedCompensation
Common stock issued for debt payment 330,000us-gaap_DebtConversionConvertedInstrumentSharesIssued1 150,000us-gaap_DebtConversionConvertedInstrumentSharesIssued1 0us-gaap_DebtConversionConvertedInstrumentSharesIssued1
Common stock issued for note receivable 150,000UAMY_CommonStockIssuedNoteReceivable 0UAMY_CommonStockIssuedNoteReceivable 0UAMY_CommonStockIssuedNoteReceivable
Equipment sold for other asset advances $ 40,000UAMY_EquipmentSoldOtherAssetAdvances $ 0UAMY_EquipmentSoldOtherAssetAdvances $ 0UAMY_EquipmentSoldOtherAssetAdvances