Quarterly report pursuant to Section 13 or 15(d)

Stock-based Compensation - Weighted Average Assumptions (Details)

v3.4.0.3
Stock-based Compensation - Weighted Average Assumptions (Details) - Stock Options [Member]
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Stock-based awards weighted average assumptions [Abstract]    
Dividend yield 0.00% 0.00%
Expected volatility 106.00% 82.00%
Risk-free interest rate 1.27% 1.34%
Expected term 5 years 7 months 6 days 5 years 7 months 6 days