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v2.4.1.9

Consolidated Statements of Cash Flows (Unaudited) (USD $) | 3 Months Ended
--- | ---
Mar. 31, 2015 | Mar. 31, 2014
Cash Flows From Operating Activities: |  |
Net loss | $ (3,074,863)us-gaap_NetIncomeLoss | $ (16,699,497)us-gaap_NetIncomeLoss
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Stock-based compensation expense | 2,908,167 us-gaap_ShareBasedCompensation | 1,750,926 us-gaap_ShareBasedCompensation
Depreciation expense | 10,395 us-gaap_Depreciation | 1,405 us-gaap_Depreciation
Loss (gain) on change in fair value of derivative | (4,796,378)atnm_GainOnChangeInFairValueOfDerivatives | 12,561,071 atnm_GainOnChangeInFairValueOfDerivatives
(Increase) decrease in: |  |
Prepaid expenses and other current assets | 65,806 us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets | (449,522)us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
Increase (decrease) in: |  |
Accounts payable and accrued expenses | (1,019,732)us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities | 236,317 us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities
Accounts payable and accrued expenses - related parties | 93,555 us-gaap_IncreaseDecreaseInAccountsPayableRelatedParties | 108,352 us-gaap_IncreaseDecreaseInAccountsPayableRelatedParties
Net Cash Used In Operating Activities | (5,813,050)us-gaap_NetCashProvidedByUsedInOperatingActivities | (2,490,948)us-gaap_NetCashProvidedByUsedInOperatingActivities
Cash Flows From Investing Activities: |  |
Purchase of property and equipment |  | (1,699)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Net Cash Used In Investing Activities |  | (1,699)us-gaap_NetCashProvidedByUsedInInvestingActivities
Cash Flows From Financing Activities: |  |
Payments on note payable | (93,794)us-gaap_RepaymentsOfNotesPayable | (63,344)us-gaap_RepaymentsOfNotesPayable
Sales of common stock, net of offering costs | 18,484,998 us-gaap_ProceedsFromIssuanceOfCommonStock | 2,871,477 us-gaap_ProceedsFromIssuanceOfCommonStock
Proceeds from exercise of options |  | 5,220 atnm_ProceedsFromOptionsExercises
Proceeds from the exercise of warrants |  | 23,709 us-gaap_ProceedsFromWarrantExercises
Net Cash Provided By Financing Activities | 18,391,204 us-gaap_NetCashProvidedByUsedInFinancingActivities | 2,837,062 us-gaap_NetCashProvidedByUsedInFinancingActivities
Net change in cash | 12,578,154 us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease | 344,415 us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
Cash and cash equivalents at beginning of period | 6,706,802 us-gaap_CashAndCashEquivalentsAtCarryingValue | 5,533,366 us-gaap_CashAndCashEquivalentsAtCarryingValue
Cash and cash equivalents at end of period | 19,284,956 us-gaap_CashAndCashEquivalentsAtCarryingValue | 5,877,781 us-gaap_CashAndCashEquivalentsAtCarryingValue
Supplemental disclosures of cash flow information: |  |
Cash paid for interest | 5,727 us-gaap_InterestPaid |
Cash paid for income taxes |  |
Supplemental disclosure of non-cash investing and financing activities: |  |
Fair value of warrants issued with stock | 4,738,161 atnm_NonCashActivitiesFairValueOfWarrantsIssuedWithStock |
Transfer warrant derivatives from liability to equity classification | $ 48,691 atnm_TransferWarrantDerivativeFromLiabilityToEquityClassification | $ 139,565 atnm_TransferWarrantDerivativeFromLiabilityToEquityClassification

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