XML 24 R5.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Consolidated Statement of Changes in Stockholders' Equity (Deficit) - USD ($) | Common Stock | Additional Paid-In Capital | Accumulated Deficit | Total
--- | --- | --- | --- | ---
Beginning Balance at Dec. 31, 2014 | $ 29,972 | $ 89,252,262 | $ (91,204,764) | $ (1,922,530)
Beginning Balance, Shares at Dec. 31, 2014 | 29,971,839 |  |  |
Stock-based compensation | $ 345 | 7,061,277 |  | 7,061,622
Stock-based compensation, Shares | 344,784 |  |  |
Proceeds from the sale of common stock and warrants, net of offering costs | $ 11,994 | 37,625,965 |  | 37,637,959
Proceeds from the sale of common stock and warrants, net of offering costs, Shares | 11,993,641 |  |  |
Issuance of common stock from exercise of options | $ 20 | 15,660 |  | 15,680
Issuance of common stock from exercise of options, Shares | 20,000 |  |  |
Issuance of common stock from exercise of warrants | $ 1,736 | 156,204 |  | 157,940
Issuance of common stock from exercise of warrants, Shares | 1,736,277 |  |  |
Transfer of warrant derivatives from liability to equity classification |  | 48,691 |  | 48,691
Net loss |  |  | (21,025,314) | (21,025,314)
Ending Balance at Dec. 31, 2015 | $ 44,067 | 134,160,059 | (112,230,078) | 21,974,048
Ending Balance, Shares at Dec. 31, 2015 | 44,066,541 |  |  |
Stock-based compensation | $ 82 | 4,297,696 |  | 4,297,778
Stock-based compensation, Shares | 81,700 |  |  |
Proceeds from the sale of common stock and warrants, net of offering costs | $ 11,504 | 16,011,163 |  | 16,022,667
Proceeds from the sale of common stock and warrants, net of offering costs, Shares | 11,504,427 |  |  |
Issuance of common stock from exercise of options | $ 23 | 18,082 |  | 18,105
Issuance of common stock from exercise of options, Shares | 23,212 |  |  |
Issuance of common stock from exercise of warrants | $ 126 | (126) |  |
Issuance of common stock from exercise of warrants, Shares | 125,862 |  |  |
Transfer of warrant derivatives from liability to equity classification |  | 17,455 |  | 17,455
Net loss |  |  | (24,321,724) | (24,321,724)
Ending Balance at Dec. 31, 2016 | $ 55,802 | 154,504,329 | (136,551,802) | 18,008,329
Ending Balance, Shares at Dec. 31, 2016 | 55,801,742 |  |  |
Stock-based compensation | $ 93 | 3,474,282 |  | 3,474,375
Stock-based compensation, Shares | 93,385 |  |  |
Proceeds from the sale of common stock and warrants, net of offering costs | $ 24,173 | 18,765,461 |  | 18,789,634
Proceeds from the sale of common stock and warrants, net of offering costs, Shares | 24,172,973 |  |  |
Issuance of common stock from exercise of warrants | $ 4 | (4) |  |
Issuance of common stock from exercise of warrants, Shares | 4,234 |  |  |
Net loss |  |  | (26,601,235) | (26,601,235)
Ending Balance at Dec. 31, 2017 | $ 80,072 | $ 176,744,068 | $ (163,153,037) | $ 13,671,103
Ending Balance, Shares at Dec. 31, 2017 | 80,072,334 |  |  |

X
- Definition Proceeds from exercise of warrant shares + References No definition available. + Details
Name: | atnm_ProceedsFromExerciseOfWarrantShares
Namespace Prefix: | atnm_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Proceeds from stock options exercised shares. + References No definition available. + Details
Name: | atnm_ProceedsFromStockOptionsExercisedShares
Namespace Prefix: | atnm_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Stock and warrants issued during period value preferred stock and warrants shares. + References No definition available. + Details
Name: | atnm_StockAndWarrantsIssuedDuringPeriodValuePreferredStockAndWarrantsShares
Namespace Prefix: | atnm_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Transfer warrant derivative from liability to equity classification. + References No definition available. + Details
Name: | atnm_TransferWarrantDerivativeFromLiabilityToEquityClassification
Namespace Prefix: | atnm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(22)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(18)) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(20)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_NetIncomeLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of cash inflow from exercise of stock options granted under share-based compensation arrangement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=96867065&loc=SL79508275-113901 + Details
Name: | us-gaap_ProceedsFromStockOptionsExercised
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash inflow associated with the amount received from holders exercising their stock warrants. + References No definition available. + Details
Name: | us-gaap_ProceedsFromWarrantExercises
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Number of shares issued which are neither cancelled nor held in the treasury. + References No definition available. + Details
Name: | us-gaap_SharesOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Value of preferred stock and warrants for common stock issued. + References No definition available. + Details
Name: | us-gaap_StockAndWarrantsIssuedDuringPeriodValuePreferredStockAndWarrants
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Gross number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP). Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans. + References No definition available. + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Gross value of stock (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP). Stock issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans. + References No definition available. + Details
Name: | us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(30)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 4.E) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74512-122707 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(31)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_StockholdersEquity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant