Equity (Details Textual) (USD $)
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0 Months Ended |
1 Months Ended |
3 Months Ended |
6 Months Ended |
12 Months Ended |
9 Months Ended |
1 Months Ended |
Jul. 10, 2014
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Mar. 24, 2014
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Dec. 27, 2013
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Apr. 28, 2014
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Jun. 30, 2014
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Dec. 31, 2014
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Dec. 31, 2013
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Sep. 30, 2013
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Jan. 31, 2014
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Equity (Textual) |
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Fair value assumptions, risk free interest rate |
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1.10%us-gaap_FairValueAssumptionsRiskFreeInterestRate
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[1] |
1.27%us-gaap_FairValueAssumptionsRiskFreeInterestRate
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[1] |
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Fair value assumptions, expected volatility rate |
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71.00%us-gaap_FairValueAssumptionsExpectedVolatilityRate
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[2] |
73.00%us-gaap_FairValueAssumptionsExpectedVolatilityRate
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[2] |
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Fair value assumptions, expected term |
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3 years
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6 months
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Fair value assumptions, expected dividend rate |
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[3] |
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[3] |
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Issuance of common stock from exercise of options |
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$ 275,153us-gaap_ProceedsFromStockOptionsExercised
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$ 13,053us-gaap_ProceedsFromStockOptionsExercised
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Expense related to common stock granted |
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2,400,000us-gaap_AllocatedShareBasedCompensationExpense
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300,000us-gaap_AllocatedShareBasedCompensationExpense
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Unrecognized compensation expense |
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10,213,905us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
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3,999,368us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
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Net proceeds from the public offering |
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12,525,000us-gaap_ProceedsFromIssuanceInitialPublicOffering
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Common stock, par value |
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$ 0.001us-gaap_CommonStockParOrStatedValuePerShare
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$ 0.001us-gaap_CommonStockParOrStatedValuePerShare
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Common stock issued, shares |
157,123us-gaap_StockIssuedDuringPeriodSharesNewIssues
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500us-gaap_StockIssuedDuringPeriodSharesNewIssues
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Proceeds from common stock issued |
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3,325,860us-gaap_StockIssuedDuringPeriodValueNewIssues
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6,000us-gaap_StockIssuedDuringPeriodValueNewIssues
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Underwriting discount |
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2,883,257atnm_UnderwritingDiscount
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Underwriting agreement description |
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Investors agreed to purchase (i) an aggregate of 554,310 shares (the “Shares”) of common stock at $6.00 per share and (ii) five-year warrants to purchase an aggregate of 138,577 shares of common stock at an exercise price of $9.00 per share. The Company received $3,325,860 in gross proceeds from the sale of securities.
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Fair value adjustment |
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2,100,000us-gaap_EquityFairValueAdjustment
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Registration statement description |
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This Registration Statement contained two prospectuses: (i) a base prospectus which covers the offering, issuance and sale by the Company of up to $200,000,000 of its common stock, preferred stock, warrants and/or units; and (ii) a sales agreement prospectus covering the offering, issuance and sale by us of up to a maximum aggregate offering price of $75,000,000 of its common stock that may be issued and sold under a sales agreement (the "Sales Agreement") with MLV & Co. LLC ("MLV") dated March 24, 2014.
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Maximum offering price |
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75,000,000atnm_MaximumOfferingPrice
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Aggregate offering amount of securities sold to investors |
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The Company will pay MLV in cash, upon the sale of common stock pursuant to the Sales Agreement, an amount equal to 3.0% of the gross proceeds from the sale of common stock. On April 28, 2014, the Company issued 500 shares and received net proceeds of $6,000 under the Sales Agreement with MLV.
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Proceeds from the sale of common stock |
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15,435,305us-gaap_ProceedsFromIssuanceOfCommonStock
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2,883,257us-gaap_ProceedsFromIssuanceOfCommonStock
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Investor [Member] |
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Equity (Textual) |
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Warrants issued to purchase common stock, shares |
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137,952atnm_WarrantsIssuedToPurchaseCommonStock / us-gaap_TitleOfIndividualAxis = us-gaap_InvestorMember
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Consultant [Member] |
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Equity (Textual) |
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Fair value assumptions, expected term |
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10 years
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Warrants issued to purchase common stock, shares |
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285,000atnm_WarrantsIssuedToPurchaseCommonStock / us-gaap_TitleOfIndividualAxis = atnm_ConsultantMember
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Consultant [Member] | Minimum [Member] |
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Equity (Textual) |
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Exercise price of warrants |
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$ 5.55us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_TitleOfIndividualAxis = atnm_ConsultantMember
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Consultant [Member] | Maximum [Member] |
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Equity (Textual) |
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Exercise price of warrants |
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$ 11.66us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_TitleOfIndividualAxis = atnm_ConsultantMember
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2013 Stock Plan [Member] |
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Equity (Textual) |
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Number of additional shares authorized |
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5,750,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized / us-gaap_PlanNameAxis = atnm_TwoThousandThirteenStockPlanMember
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2013 Stock Plan [Member] | Employees, consultants and board members [Member] |
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Equity (Textual) |
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Number of stock option granted |
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2,750,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross / us-gaap_PlanNameAxis = atnm_TwoThousandThirteenStockPlanMember / us-gaap_TitleOfIndividualAxis = atnm_EmployeesDirectorsAndConsultantsMember
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Award expiration date |
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Sep. 09, 2023
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2013 Equity Incentive Plan [Member] |
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Equity (Textual) |
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Number of additional shares authorized |
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1,000,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized / us-gaap_PlanNameAxis = atnm_TwoThousandThirteenEquityIncentivePlanMember
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2013 Equity Incentive Plan [Member] | Employees, consultants and board members [Member] |
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Equity (Textual) |
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Number of stock option granted |
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450,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross / us-gaap_PlanNameAxis = atnm_TwoThousandThirteenEquityIncentivePlanMember / us-gaap_TitleOfIndividualAxis = atnm_EmployeesDirectorsAndConsultantsMember
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Award expiration date |
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Sep. 09, 2023
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Placement agent [Member] |
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Equity (Textual) |
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Warrants issued to purchase common stock, shares |
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68,976atnm_WarrantsIssuedToPurchaseCommonStock / us-gaap_SubsidiarySaleOfStockAxis = atnm_PlacementAgentMember
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69,289atnm_WarrantsIssuedToPurchaseCommonStock / us-gaap_SubsidiarySaleOfStockAxis = atnm_PlacementAgentMember
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Private Placement [Member] |
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Equity (Textual) |
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Issuance of common stock from exercise of options |
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2,873,557us-gaap_ProceedsFromStockOptionsExercised / us-gaap_StatementClassOfStockAxis = us-gaap_PrivatePlacementMember
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Proceeds from issuance of warrants |
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3,300,000us-gaap_ProceedsFromIssuanceOfWarrants / us-gaap_StatementClassOfStockAxis = us-gaap_PrivatePlacementMember
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Placement agent cash fees |
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395,000atnm_PlacementAgentCashFees / us-gaap_StatementClassOfStockAxis = us-gaap_PrivatePlacementMember
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Placement agent attorney fees |
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40,000atnm_PlacementAgentAttorneyFees / us-gaap_StatementClassOfStockAxis = us-gaap_PrivatePlacementMember
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Warrant [Member] |
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Equity (Textual) |
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Fair value of warrants determined utilizing the Black-Scholes option pricing model |
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600,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue / us-gaap_StatementClassOfStockAxis = us-gaap_WarrantMember
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Fair value assumptions, expected volatility rate |
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91.56%us-gaap_FairValueAssumptionsExpectedVolatilityRate / us-gaap_StatementClassOfStockAxis = us-gaap_WarrantMember
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Fair value assumptions, expected term |
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5 years
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5 years
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Fair value assumptions, expected dividend rate |
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0.00%us-gaap_FairValueAssumptionsExpectedDividendRate / us-gaap_StatementClassOfStockAxis = us-gaap_WarrantMember
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0.00%us-gaap_FairValueAssumptionsExpectedDividendRate / us-gaap_StatementClassOfStockAxis = us-gaap_WarrantMember
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Warrants issued to purchase common stock, shares |
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122,000atnm_WarrantsIssuedToPurchaseCommonStock / us-gaap_StatementClassOfStockAxis = us-gaap_WarrantMember
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Expense related to common stock granted |
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100,000us-gaap_AllocatedShareBasedCompensationExpense / us-gaap_StatementClassOfStockAxis = us-gaap_WarrantMember
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200,000us-gaap_AllocatedShareBasedCompensationExpense / us-gaap_StatementClassOfStockAxis = us-gaap_WarrantMember
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0us-gaap_AllocatedShareBasedCompensationExpense / us-gaap_StatementClassOfStockAxis = us-gaap_WarrantMember
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Unrecognized compensation expense |
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1,495,128us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized / us-gaap_StatementClassOfStockAxis = us-gaap_WarrantMember
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226,049us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized / us-gaap_StatementClassOfStockAxis = us-gaap_WarrantMember
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Price per share |
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$ 9.00us-gaap_SaleOfStockPricePerShare / us-gaap_StatementClassOfStockAxis = us-gaap_WarrantMember
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Warrants exercised by warrant holders |
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2,501,993atnm_WarrantsExercisedByWarrantHolders / us-gaap_StatementClassOfStockAxis = us-gaap_WarrantMember
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2,403,429atnm_WarrantsExercisedByWarrantHolders / us-gaap_StatementClassOfStockAxis = us-gaap_WarrantMember
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Warrants to purchase common stock shares |
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72,000atnm_WarrantsToPurchaseCommonStockVestedShares / us-gaap_StatementClassOfStockAxis = us-gaap_WarrantMember
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Warrant to purchase common stock vested, value |
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177,313atnm_WarrantToPurchaseCommonStockVested / us-gaap_StatementClassOfStockAxis = us-gaap_WarrantMember
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Warrants to purchase common stock expected to vest, shares |
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50,000atnm_WarrantsToPurchaseCommonStockExpectedToVest / us-gaap_StatementClassOfStockAxis = us-gaap_WarrantMember
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Warrants to purchase common stock expected to vest, value |
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235,737atnm_WarrantsToPurchaseCommonStockVestedValue / us-gaap_StatementClassOfStockAxis = us-gaap_WarrantMember
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Warrant [Member] | Minimum [Member] |
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Equity (Textual) |
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Exercise price of warrants |
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$ 3.60us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_StatementClassOfStockAxis = us-gaap_WarrantMember
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Fair value assumptions, expected volatility rate |
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82.90%us-gaap_FairValueAssumptionsExpectedVolatilityRate / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_StatementClassOfStockAxis = us-gaap_WarrantMember
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Fair value assumptions, expected discount rate |
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1.56%atnm_FairValueAssumptionsExpectedDiscountRate / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_StatementClassOfStockAxis = us-gaap_WarrantMember
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1.36%atnm_FairValueAssumptionsExpectedDiscountRate / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_StatementClassOfStockAxis = us-gaap_WarrantMember
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Term of warrants |
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7 years
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Warrant [Member] | Maximum [Member] |
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Equity (Textual) |
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Exercise price of warrants |
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$ 6.70us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_StatementClassOfStockAxis = us-gaap_WarrantMember
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Fair value assumptions, expected volatility rate |
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87.80%us-gaap_FairValueAssumptionsExpectedVolatilityRate / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_StatementClassOfStockAxis = us-gaap_WarrantMember
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Fair value assumptions, expected discount rate |
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1.66%atnm_FairValueAssumptionsExpectedDiscountRate / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_StatementClassOfStockAxis = us-gaap_WarrantMember
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1.55%atnm_FairValueAssumptionsExpectedDiscountRate / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_StatementClassOfStockAxis = us-gaap_WarrantMember
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Term of warrants |
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10 years
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Common Stock [Member] |
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Equity (Textual) |
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Common stock issued, shares |
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2,336,658us-gaap_StockIssuedDuringPeriodSharesNewIssues / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember
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2,336,988us-gaap_StockIssuedDuringPeriodSharesNewIssues / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember
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Proceeds from common stock issued |
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159,994us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember
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Proceeds from the sale of common stock |
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3,500,000us-gaap_ProceedsFromIssuanceOfCommonStock / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember
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Common Stock [Member] | Placement agent [Member] |
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Equity (Textual) |
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Fair value of warrants determined utilizing the Black-Scholes option pricing model |
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400,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_SubsidiarySaleOfStockAxis = atnm_PlacementAgentMember
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200,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_SubsidiarySaleOfStockAxis = atnm_PlacementAgentMember
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Exercise price of warrants |
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$ 6.00us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_SubsidiarySaleOfStockAxis = atnm_PlacementAgentMember
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Fair value assumptions, risk free interest rate |
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0.07%us-gaap_FairValueAssumptionsRiskFreeInterestRate / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_SubsidiarySaleOfStockAxis = atnm_PlacementAgentMember
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Fair value assumptions, expected volatility rate |
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84.06%us-gaap_FairValueAssumptionsExpectedVolatilityRate / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_SubsidiarySaleOfStockAxis = atnm_PlacementAgentMember
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Fair value assumptions, expected term |
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5 years
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Fair value assumptions, expected dividend rate |
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0.00%us-gaap_FairValueAssumptionsExpectedDividendRate / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_SubsidiarySaleOfStockAxis = atnm_PlacementAgentMember
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Common Stock [Member] | Laidlaw and Co [Member] | Placement agent [Member] |
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Equity (Textual) |
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Fair value of warrants determined utilizing the Black-Scholes option pricing model |
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300,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_SubsidiarySaleOfStockAxis = atnm_PlacementAgentMember / us-gaap_TypeOfArrangementAxis = atnm_LaidlawAndCoMember
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Exercise price of warrants |
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$ 9.00us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_SubsidiarySaleOfStockAxis = atnm_PlacementAgentMember / us-gaap_TypeOfArrangementAxis = atnm_LaidlawAndCoMember
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Fair value assumptions, risk free interest rate |
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1.64%us-gaap_FairValueAssumptionsRiskFreeInterestRate / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_SubsidiarySaleOfStockAxis = atnm_PlacementAgentMember / us-gaap_TypeOfArrangementAxis = atnm_LaidlawAndCoMember
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Fair value assumptions, expected volatility rate |
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88.00%us-gaap_FairValueAssumptionsExpectedVolatilityRate / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_SubsidiarySaleOfStockAxis = atnm_PlacementAgentMember / us-gaap_TypeOfArrangementAxis = atnm_LaidlawAndCoMember
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Fair value assumptions, expected term |
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5 years
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Fair value assumptions, expected dividend rate |
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0.00%us-gaap_FairValueAssumptionsExpectedDividendRate / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_SubsidiarySaleOfStockAxis = atnm_PlacementAgentMember / us-gaap_TypeOfArrangementAxis = atnm_LaidlawAndCoMember
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Warrants issued to purchase common stock, shares |
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68,976atnm_WarrantsIssuedToPurchaseCommonStock / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_SubsidiarySaleOfStockAxis = atnm_PlacementAgentMember / us-gaap_TypeOfArrangementAxis = atnm_LaidlawAndCoMember
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Restricted Stock [Member] | Employees, consultants and board members [Member] |
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Equity (Textual) |
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Number of shares of restricted stock, granted |
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633,041us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures / us-gaap_StatementClassOfStockAxis = us-gaap_RestrictedStockMember / us-gaap_TitleOfIndividualAxis = atnm_EmployeesDirectorsAndConsultantsMember
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312,500us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures / us-gaap_StatementClassOfStockAxis = us-gaap_RestrictedStockMember / us-gaap_TitleOfIndividualAxis = atnm_EmployeesDirectorsAndConsultantsMember
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Restricted stock granted value |
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4,827,516us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures / us-gaap_StatementClassOfStockAxis = us-gaap_RestrictedStockMember / us-gaap_TitleOfIndividualAxis = atnm_EmployeesDirectorsAndConsultantsMember
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678,000us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures / us-gaap_StatementClassOfStockAxis = us-gaap_RestrictedStockMember / us-gaap_TitleOfIndividualAxis = atnm_EmployeesDirectorsAndConsultantsMember
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Restricted stock granted not been issued |
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202,723atnm_StockIssuedDuringPeriodRestrictedStockAwardNotIssued / us-gaap_StatementClassOfStockAxis = us-gaap_RestrictedStockMember / us-gaap_TitleOfIndividualAxis = atnm_EmployeesDirectorsAndConsultantsMember
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Number of stock option cancelled |
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50,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod / us-gaap_StatementClassOfStockAxis = us-gaap_RestrictedStockMember / us-gaap_TitleOfIndividualAxis = atnm_EmployeesDirectorsAndConsultantsMember
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Description restricted stock |
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Of the total shares of restricted stock granted, 20,000 shares vest 3 months from the grant date, 30,374 shares vest 1 year from the grant date, 30,000 shares have a vesting period of 2 years, 202,497 shares have a vesting period of 4 years and 350,000 shares vest at the date of grant.
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80,000 shares of restricted stock vest 1 year from the grant date, 100,000 shares have a vesting period of 24 months. The remaining restricted shares granted are performance based and vest over time.
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Public Offering [Member] |
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Equity (Textual) |
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Number of additional stock option granted |
157,123atnm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalGrantsInPeriod / us-gaap_StatementClassOfStockAxis = us-gaap_IPOMember
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Issuance of common stock from exercise of options |
1,200,000us-gaap_ProceedsFromStockOptionsExercised / us-gaap_StatementClassOfStockAxis = us-gaap_IPOMember
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Net proceeds from the public offering |
13,700,000us-gaap_ProceedsFromIssuanceInitialPublicOffering / us-gaap_StatementClassOfStockAxis = us-gaap_IPOMember
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11,451,250us-gaap_ProceedsFromIssuanceInitialPublicOffering / us-gaap_StatementClassOfStockAxis = us-gaap_IPOMember
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Price per share |
7.50us-gaap_SaleOfStockPricePerShare / us-gaap_StatementClassOfStockAxis = us-gaap_IPOMember
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$ 7.50us-gaap_SaleOfStockPricePerShare / us-gaap_StatementClassOfStockAxis = us-gaap_IPOMember
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Common stock, par value |
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$ 0.001us-gaap_CommonStockParOrStatedValuePerShare / us-gaap_StatementClassOfStockAxis = us-gaap_IPOMember
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Common stock issued, shares |
1,827,123us-gaap_StockIssuedDuringPeriodSharesNewIssues / us-gaap_StatementClassOfStockAxis = us-gaap_IPOMember
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1,670,000us-gaap_StockIssuedDuringPeriodSharesNewIssues / us-gaap_StatementClassOfStockAxis = us-gaap_IPOMember
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Proceeds from common stock issued |
13,700,000us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementClassOfStockAxis = us-gaap_IPOMember
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12,525,000us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementClassOfStockAxis = us-gaap_IPOMember
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Underwriting discount |
12,555,748atnm_UnderwritingDiscount / us-gaap_StatementClassOfStockAxis = us-gaap_IPOMember
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876,750atnm_UnderwritingDiscount / us-gaap_StatementClassOfStockAxis = us-gaap_IPOMember
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Underwriting agreement description |
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Under the terms of the underwriting agreement entered into with Canaccord Genuity Inc. as representative (the "Representative") of the several underwriters (collectively, the "Underwriters"), the Company also granted the Underwriters a 30-day option to purchase up to an additional 250,000 shares of common stock to cover over-allotments, if any, at the offering price.
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Other offering expenses |
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125,000us-gaap_OtherExpenses / us-gaap_StatementClassOfStockAxis = us-gaap_IPOMember
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Auditor fees |
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72,000us-gaap_ProfessionalFees / us-gaap_StatementClassOfStockAxis = us-gaap_IPOMember
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Stock Option Plan [Member] |
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Equity (Textual) |
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Fair value of warrants determined utilizing the Black-Scholes option pricing model |
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Fair value assumptions, expected term |
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6 years
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6 years
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Fair value assumptions, expected dividend rate |
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0.00%us-gaap_FairValueAssumptionsExpectedDividendRate / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember
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0.00%us-gaap_FairValueAssumptionsExpectedDividendRate / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember
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Number of stock option granted |
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1,338,100us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember
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787,450us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember
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Number of stock option cancelled |
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(1,115,550)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember
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Share-based compensation term |
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10 years
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10 years
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Share-based Compensation vesting period |
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4 years
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4 years
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Fair value of stock option |
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8,700,000us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1 / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember
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3,700,000us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1 / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember
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Stock option exercise prices |
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$ 0.95us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember
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$ 0.78us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember
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Issuance of common stock from exercise of options |
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$ 275,153us-gaap_ProceedsFromStockOptionsExercised / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember
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Number of option exercised |
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(310,400)us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember
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(16,650)us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember
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Warrants/ Common stock granted |
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787,450us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember
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Stock Option Plan [Member] | Minimum [Member] |
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Equity (Textual) |
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Exercise price of warrants |
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$ 3.60us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember / us-gaap_RangeAxis = us-gaap_MinimumMember
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Fair value assumptions, expected volatility rate |
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82.47%us-gaap_FairValueAssumptionsExpectedVolatilityRate / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember / us-gaap_RangeAxis = us-gaap_MinimumMember
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83.32%us-gaap_FairValueAssumptionsExpectedVolatilityRate / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember / us-gaap_RangeAxis = us-gaap_MinimumMember
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Fair value assumptions, expected discount rate |
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1.77%atnm_FairValueAssumptionsExpectedDiscountRate / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember / us-gaap_RangeAxis = us-gaap_MinimumMember
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1.36%atnm_FairValueAssumptionsExpectedDiscountRate / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember / us-gaap_RangeAxis = us-gaap_MinimumMember
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Stock option exercise prices |
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$ 0.78us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember / us-gaap_RangeAxis = us-gaap_MinimumMember
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Stock Option Plan [Member] | Maximum [Member] |
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Equity (Textual) |
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Exercise price of warrants |
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$ 6.70us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember / us-gaap_RangeAxis = us-gaap_MaximumMember
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Fair value assumptions, expected volatility rate |
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87.76%us-gaap_FairValueAssumptionsExpectedVolatilityRate / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember / us-gaap_RangeAxis = us-gaap_MaximumMember
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98.45%us-gaap_FairValueAssumptionsExpectedVolatilityRate / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember / us-gaap_RangeAxis = us-gaap_MaximumMember
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|
Fair value assumptions, expected discount rate |
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2.07%atnm_FairValueAssumptionsExpectedDiscountRate / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember / us-gaap_RangeAxis = us-gaap_MaximumMember
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1.55%atnm_FairValueAssumptionsExpectedDiscountRate / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember / us-gaap_RangeAxis = us-gaap_MaximumMember
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Stock option exercise prices |
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$ 11.95us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember / us-gaap_RangeAxis = us-gaap_MaximumMember
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