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Fair Value Measurements (Details) (USD $) |  |  |  |  |  |  |  |  | 3 Months Ended | 9 Months Ended
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Sep. 30, 2014 Fair Value, Measurements, Recurring [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] | Sep. 30, 2014 Fair Value, Measurements, Recurring [Member] Level 1 [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Level 1 [Member] | Sep. 30, 2014 Fair Value, Measurements, Recurring [Member] Level 2 [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Level 2 [Member] | Sep. 30, 2014 Fair Value, Measurements, Recurring [Member] Level 3 [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Level 3 [Member] | Sep. 30, 2014 Fair Value, Measurements, Nonrecurring [Member] | Sep. 30, 2014 Fair Value, Measurements, Nonrecurring [Member]
Assets [Abstract] |  |  |  |  |  |  |  |  |  |
Cash equivalents | $ 3,644,000 | $ 4,644,000 | $ 3,644,000 | $ 4,644,000 | $ 0 | $ 0 | $ 0 | $ 0 |  |
Liabilities: |  |  |  |  |  |  |  |  |  |
Warrant liability | 287,000 |  | 0 |  | 0 |  | 287,000 |  |  |
Fair Value, Instruments Classified in Shareholders' Equity Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |  |  |  |  |  |
Beginning balance |  |  |  |  |  |  |  |  | 0 | 0
Fair value of warrants allocated from additional paid in capital |  |  |  |  |  |  |  |  | 421,000 | 421,000
Decrease in fair value recognized in operating expenses |  |  |  |  |  |  |  |  | (134,000) | (134,000)
Ending balance |  |  |  |  |  |  |  |  | $ 287,000 | $ 287,000

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- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 + Details
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- Definition Amount of issuances of financial instrument classified in shareholders' equity measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + 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 (c)(2) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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- Definition Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price. + References Reference 1: 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.(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph i -Article 4 + Details
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