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Derivative Liabilities | 9 Months Ended
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Sep. 30, 2014
Derivative Liabilities |
Derivative Liabilities | 14. Derivative Liabilities On May 24, 2011, the Company entered into a securities purchase agreement with eight investors pursuant to which the Company sold 8,700 shares of a new series of convertible preferred stock designated as series E convertible preferred stock for $1,000 per share, or an aggregate of $8,700,000. In October 2012, the Company sold 1,000 shares of Series E for $1,000,000. These Series E contained “full ratchet-down” anti-dilution protection that provided that if the Company issues securities for less than the then existing conversion price for the Series E or the exercise price of the warrants issued in connection with the issuance of the Series E, then the conversion price for Series E would be lowered to that lower price. Also, the exercise price for Series E warrants would be decreased to that lower price and the number of Series E warrants would be increased such that the product of the original exercise price times the original quantity would equal the lower exercise price times the higher quantity of Series E warrants. Subsequent to the issuance of this Series E, the Company determined that the warrants for these financings included certain embedded derivative features as set forth in ASC Topic 815 and that the conversion feature of the Series E was not an embedded derivative because the feature was clearly and closely related to the host (Series E) as defined in ASC Topic 815. These derivative liabilities were initially recorded at their estimated fair value on the date of issuance and were subsequently adjusted each quarter to reflect the estimated fair value at the end of each period, with any decrease or increase in the estimated fair value of the derivative liability for each period being recorded as other income or expense. Since the value of the embedded derivative feature for the related warrants was higher than the value of both Series E transactions, there was no beneficial conversion feature recorded for either transaction, and the excess of the value of the embedded derivative feature over the value of the transaction was recorded in each period on the consolidated statement of operations as a separate line item. The fair value of these derivative liabilities was calculated using the Black-Scholes pricing model based on the closing price of the common stock, the exercise price of the underlying instrument, the risk-free interest rate for the applicable remaining life of the underlying instrument (i.e., the U.S. treasury rate for that period) and the historical volatility of the Company’s common stock. These fair value results were extremely sensitive to all these input variables, particularly the closing price of the common stock and the volatility of the common stock. Accordingly, the fair value of these derivative liabilities was subject to significant changes. On May 6, 2013, the Series E and related warrants were converted into common stock and extinguished and the Company recorded a gain of $8,980,077 on the decrease in fair value for the derivative security and recorded a gain of $1,635,967 on extinguishment of the derivative liability. The following assumptions were used to calculate the Black-Scholes values of this derivative liability as of the measurement date of May 6, 2013. The fair value of the underlying common stock was based on the sale of 13,916,665 shares of common stock at $3.00 by the Company during the three months ended June 30, 2013.
Estimated fair value of underlying common stock |  | $ | 3.00 |
Remaining life in years |  | 3.15 |
Risk-free interest rate |  | 0.38 | %
Expected volatility |  | 142 | %
Dividend yield |  | — |

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- Definition The entire disclosure for derivative instruments and hedging activities including, but not limited to, risk management strategies, non-hedging derivative instruments, assets, liabilities, revenue and expenses, and methodologies and assumptions used in determining the amounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35736893&loc=d3e80748-113994 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5618551-113959 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4K -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5708775-113959 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 25 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6886632&loc=d3e76258-113986 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4E -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624181-113959 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6441202&loc=d3e80720-113993 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4H -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624258-113959 Reference 8: 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=35706170&loc=SL5624163-113959 Reference 9: 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)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4J -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5708773-113959 Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35736893&loc=d3e80784-113994 Reference 12: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4D -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624177-113959 Reference 13: 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=35706170&loc=d3e41620-113959 Reference 14: 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=35706170&loc=SL5579245-113959 Reference 15: 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=35706170&loc=SL5580258-113959 Reference 16: 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=35706170&loc=SL5579240-113959 Reference 17: 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=35706170&loc=d3e41641-113959 Reference 18: 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=35706170&loc=d3e41638-113959 Reference 19: 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=35706170&loc=SL5624171-113959 + Details
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