XML 21 R55.htm IDEA: XBRL DOCUMENT v3.2.0.727
Senior Notes Payable (Details 1) - USD ($)
$ / shares in Units, $ in Thousands
6 Months Ended
Jun. 30, 2015
Jun. 22, 2015
Senior Notes Payable    
Number of shares underlying warrants 3,000 3,000,000
Exercise price $ 0.75 $ 0.75
Exercise Price   $ 1.38
Fair value of warrants $ 2,390 $ 2,959
Probability of stockholder approval 80.00% 80.00%
Volatility 90.00% 90.00%
Risk-free interest rate 1.62% 1.62%
Expected dividend yield 0.00% 0.00%
Expected warrant life 4 years 11 months 23 days 5 years