XML 35 R22.htm IDEA: XBRL DOCUMENT v3.5.0.2
Stock-Based Compensation - Summary of Weighted-Average Assumptions of Stock Based Compensation (Details)
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Share-based Compensation [Abstract]        
Weighted-average risk-free rate 0.00% 1.27% 1.20% 1.18%
Weighted-average volatility 0.00% 105.50% 111.02% 82.51%
Dividend yield 0.00% 0.00% 0.00% 0.00%
Expected life 0 years 5 years 1 month 24 days 6 years 2 months 1 day 4 years 3 months 18 days