Quarterly report pursuant to Section 13 or 15(d)

Organization and Summary of Significant Accounting Policies (Details)

v2.4.0.8
Organization and Summary of Significant Accounting Policies (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Schedule of Organization and Summary of Significant Accounting Policies [Line Items]    
Total warrant liability $ 1,817  
Adjustment to record warrants at fair value (864) (3,045)
Total warrant liability $ 2,681