v2.4.0.8

Warrants (Details) (USD $) In Thousands, except Share data, unless otherwise specified | 0 Months Ended | 3 Months Ended | 6 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
May 22, 2014 | May 22, 2014 | Apr. 02, 2014 | Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2013 | Dec. 31, 2013 Warrant issued to purchase Series D redeemable convertible preferred stock expiring in 2022 | Apr. 30, 2012 Warrant issued to purchase Series D redeemable convertible preferred stock expiring in 2022 | Dec. 31, 2013 Warrant issued to purchase Series D redeemable convertible preferred stock expiring in 2023
Warrants |  |  |  |  |  |  |  |  |  |
Number of shares of preferred stock that may be purchased by warrant |  |  |  |  |  |  |  |  | 12,797 | 71,021
Exercise price of warrant (in dollars per share) |  |  |  |  |  |  |  |  | $ 7.81 | $ 7.81
Fair value of warrant (in dollars per share) |  |  |  |  |  |  |  | $ 19 | $ 74 | $ 107
Amount of warrants liability reclassified to additional paid in capital on conversion of warrants to purchase Series D redeemable convertible preferred stock |  |  | 821 |  |  |  |  |  |  |
Reductions of interest expense |  |  |  |  | (5) |  | (13) |  |  |
Interest expense on fair value adjustment of the warrants |  |  |  | $ (7) |  | $ (695) |  |  |  |
Shares of common stock to be purchased upon receipt of notice of exercise from holder of warrants | 83,818 | 83,818 |  |  |  |  |  |  |  |
Number of trading days considered in volume weighted average price of common stock |  | 10 days |  |  |  |  |  |  |  |
Issuance of shares of common stock upon receipt of notice of exercise from holder of warrants | 32,709 |  |  |  |  |  |  |  |  |

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- Definition Represents the amount reclassified to additional paid-in capital on conversion of warrants to purchase Series D redeemable convertible preferred stock to warrants to purchase common stock. + References No definition available. + Details
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- Definition Exercise price per share or per unit of warrants or rights outstanding. + 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)(4)) -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 -Subparagraph 4 -Article 4 + Details
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- Definition Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. + 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)(2)) -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 -Subparagraph 2 -Article 4 + Details
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