XML 40 R21.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Derivatives (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2017
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Schedule of derivative warrant instruments activity |
|  | Shares subject to warrants |  |  | Fair Value |
Balance, December 31, 2015 |  |  | 1,627,369 |  |  | $ | 2,848,902 |
Transfer from liability to equity classification |  |  | (12,109 | ) |  |  | (17,455 | )
Change in fair value |  |  | - |  |  |  | (2,530,764 | )
Balance, December 31, 2016 |  |  | 1,615,260 |  |  |  | 300,683 |
Modification of warrants |  |  | - |  |  |  | 19,356 |
Expiration of derivative warrants |  |  | (1,558,048 | ) |  |  | - |
Change in fair value |  |  | - |  |  |  | (304,123 | )
Balance, December 31, 2017 |  |  | 57,212 |  |  | $ | 15,916 |
Summary of fair values of derivative warrants |
|  | December 31, |  |  | December 31, |
|  | 2017 |  |  | 2016 |
Market value of common stock on measurement date (1) |  | $ | 0.66 |  |  | $ | 0.88 |
Adjusted exercise price |  | $ | 1.67 |  |  | $ | 2.34 |
Risk free interest rate (2) |  |  | 2.09 | % |  |  | 0.85 | %
Warrant lives in years |  |  | 4.1 years |  |  |  | 2.0 years |
Expected volatility (3) |  |  | 80 | % |  |  | 61 – 69 | %
Expected dividend yield (4) |  |  | - |  |  |  | - |
Probability of stock offering in any period over 5 years (5) |  |  | 100 | % |  |  | 100 | %
Offering price (6) |  | $ | 0.50 |  |  | $ | 1.25 |
(1) | The market value of common stock at the above measurement dates is based on the Company’s closing price quoted on the NYSE American.
(2) | The risk-free interest rate was determined by the Company’s management using the Treasury Bill rate as of the respective measurement date.
(3) | The volatility was estimated using the historical volatilities of the Company’s common stock traded in NYSE American.
(4) | Management does not expect to pay dividends for the foreseeable future.
(5) | Management determines the probability of future stock offering at each evaluation date.
(6) | Represents the estimated offering price in future offerings as determined by management.

X
- Definition Fair value of derivative warrants on basis of valuation model. + References No definition available. + Details
Name: | atnm_FairValueOfDerivativeWarrantsOnBasisOfValuationModelTableTextBlock
Namespace Prefix: | atnm_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of pertinent information about a derivative or group of derivatives on a disaggregated basis, such as for individual instruments, or small groups of similar instruments. May include a combination of the type of instrument, risks being hedged, notional amount, hedge designation, related hedged item, inception date, maturity date, or other relevant item. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=84234895&loc=d3e41641-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624163-113959 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=84234895&loc=d3e41678-113959 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=84234895&loc=d3e41638-113959 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5580258-113959 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5579245-113959 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624171-113959 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5579240-113959 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=84234895&loc=d3e41620-113959 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(n)(2)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
Name: | us-gaap_ScheduleOfDerivativeInstrumentsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration