Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Summary of Assumptions for Grants of Stock Options (Details)

v3.8.0.1
Summary of Significant Accounting Policies - Summary of Assumptions for Grants of Stock Options (Details)
12 Months Ended
Dec. 31, 2017
Non-Employee Board Members [Member]  
Expected life 6 years
Expected volatility Minimum 92.85%
Expected volatility Maximum 104.83%
Risk-free interest rate Minimum 1.01%
Risk-free interest rate Maximum 1.53%
Forfeiture rate 5.00%
Expected dividend yield 0.00%
CEO, other Officers and Employees [Member]  
Expected life 6 years
Expected volatility Maximum 105.71%
Risk-free interest rate Maximum 1.63%
Forfeiture rate 5.00%
Expected dividend yield 0.00%