Quarterly report pursuant to Section 13 or 15(d)

Consolidated Statements of Cash Flows (Unaudited)

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 2,908,167us-gaap_ShareBasedCompensation 1,750,926us-gaap_ShareBasedCompensation
Depreciation expense 10,395us-gaap_Depreciation 1,405us-gaap_Depreciation
Loss (gain) on change in fair value of derivative (4,796,378)atnm_GainOnChangeInFairValueOfDerivatives 12,561,071atnm_GainOnChangeInFairValueOfDerivatives
(Increase) decrease in:    
Prepaid expenses and other current assets 65,806us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets (449,522)us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
Increase (decrease) in:    
Accounts payable and accrued expenses (1,019,732)us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities 236,317us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities
Accounts payable and accrued expenses - related parties 93,555us-gaap_IncreaseDecreaseInAccountsPayableRelatedParties 108,352us-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 18,484,998us-gaap_ProceedsFromIssuanceOfCommonStock 2,871,477us-gaap_ProceedsFromIssuanceOfCommonStock
Proceeds from exercise of options    5,220atnm_ProceedsFromOptionsExercises
Proceeds from the exercise of warrants    23,709us-gaap_ProceedsFromWarrantExercises
Net Cash Provided By Financing Activities 18,391,204us-gaap_NetCashProvidedByUsedInFinancingActivities 2,837,062us-gaap_NetCashProvidedByUsedInFinancingActivities
Net change in cash 12,578,154us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease 344,415us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
Cash and cash equivalents at beginning of period 6,706,802us-gaap_CashAndCashEquivalentsAtCarryingValue 5,533,366us-gaap_CashAndCashEquivalentsAtCarryingValue
Cash and cash equivalents at end of period 19,284,956us-gaap_CashAndCashEquivalentsAtCarryingValue 5,877,781us-gaap_CashAndCashEquivalentsAtCarryingValue
Supplemental disclosures of cash flow information:    
Cash paid for interest 5,727us-gaap_InterestPaid   
Cash paid for income taxes      
Supplemental disclosure of non-cash investing and financing activities:    
Fair value of warrants issued with stock 4,738,161atnm_NonCashActivitiesFairValueOfWarrantsIssuedWithStock   
Transfer warrant derivatives from liability to equity classification $ 48,691atnm_TransferWarrantDerivativeFromLiabilityToEquityClassification $ 139,565atnm_TransferWarrantDerivativeFromLiabilityToEquityClassification