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Organization and Summary of Significant Accounting Policies (Details 3) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2013 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Schedule of Organization and Summary of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Total warrant liability at December 31, 2013 |  |  | $ 1,817 | $ 8,240 | $ 8,240 |  |
Adjustment to record warrants at fair value | (284) | 5,362 | (1,148) | 2,317 | 1,737 | (1,766) | 1,862
Total warrant liability at June 30, 2014 | $ 2,965 |  | $ 2,965 |  | $ 1,817 | $ 8,240 |

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- Definition The increase (decrease) during the period, which was recognized in earnings, in the unrealized gains or losses on derivative instruments that are not or are no longer designated as hedging instruments. + References No definition available. + 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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