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Derivatives (Details Textual) (USD $) | 1 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 19, 2012 | Dec. 27, 2012 | Jan. 31, 2012 | Jun. 30, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Derivative (Textual) |  |  |  |  |  |
Description of risk free interest rate determination |  |  |  |  | Risk-free interest rate was determined by management using the average of 5 and 7 year and the 3-month Treasury Bill as of the respective measurement date. |
Expected dividend yield |  |  |  |  |  |
Description of probability of stock offering |  |  |  |  | Probability of a stock offering is 25% for each quarter of the next five years. |
Range of percentage of existing shares offered | 35.00% | 35.00% | 35.00% |  | 35.00% | 35.00%
Series E Preferred Stock [Member] |  |  |  |  |  |
Derivative (Textual) |  |  |  |  |  |
Exercise price of warrant | $ 0.26 |  |  |  |  |

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- Definition Exercise price of the warrants. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column A + Details
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- Definition Expected dividends to be paid to holders of the underlying shares or financial instruments (expressed as a percentage of the share or instrument's price). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
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