Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Schedule of Stock Option Valuation Assumptions) (Details)

v3.19.1
Stockholders' Equity (Schedule of Stock Option Valuation Assumptions) (Details)
3 Months Ended
Mar. 31, 2019
Stockholders' Equity  
Dividend yield 0.00%
Expected volatility 131.10%
Risk-free interest rate 2.50%
Expected lives (years) 5 years 6 months