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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 | ||||
|---|---|---|---|---|---|---|---|
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Jun. 30, 2014
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Jun. 30, 2013
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Jun. 30, 2014
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Jun. 30, 2013
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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| 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 | |||