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- Derivative Financial Instruments (Details) (USD $) |  |  |  | 0 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Jul. 31, 2011 | Sep. 11, 2012 Warrant [Member] | Dec. 31, 2013 Warrant [Member] | Dec. 31, 2012 Warrant [Member]
Linked Common Shares to Derivative Warrants [Roll Forward] |  |  |  |  |  |
Linked common shares to derivative warrants, beginning balance (shares) |  |  | 250 |  | 128,350 | 154,132
Class of warrant or right, issuance of warrants to underwriters |  |  |  | 110,000 |  |
Class of Warrant or Right, Issuance of Warrants to Investors in Private Placement |  |  |  |  | 14,236,472 |
Issuance of warrants with preferred stock financing |  |  |  |  | (4,546) | (135,782)
Change in fair value of derivatives |  |  |  |  | $ 0 | $ 0
Linked common shares to derivative warrants, ending balance (shares) |  |  | 250 |  | 14,360,276 | 128,350
Warrant Liability [Roll Forward] |  |  |  |  |  |
Warrant liability beginning balance | 1,832,945 | 2,750 |  |  | 2,750 | 752,486
Fair value of warrants issued to underwriters |  |  |  | 49,170 |  |
Fair value of warrants issued to investors in private placement (shares) |  |  |  |  | 2,344,899 |
Fair value of warrants issued with preferred stock financing |  |  |  |  | 0 | (19,823)
Change in fair value of derivative |  |  |  |  | (514,704) | (779,083)
Warrant liability ending balance | $ 1,832,945 | $ 2,750 |  |  | $ 1,832,945 | $ 2,750

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- Definition Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13433-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13495-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=20225523&loc=SL20225862-175312 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41271-113958 + Details
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