Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Valuation Assumptions) (Details)

v3.7.0.1
Stockholders' Equity (Valuation Assumptions) (Details)
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Stockholders' Equity [Abstract]    
Risk-free interest rate 2.04% 1.56%
Expected life (years) 6 years 6 years
Dividend yield
Expected volatility 86.00% 114.00%