Quarterly report pursuant to Section 13 or 15(d)

Equity - Summary of Assumptions Used (Details)

v3.10.0.1
Equity - Summary of Assumptions Used (Details) - Employee Stock Option
9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Class of Stock [Line Items]    
Dividend yield 0.00% 0.00%
Minimum    
Class of Stock [Line Items]    
Risk-free interest rate 0.95% 1.30%
Volatility rate 70.18% 70.18%
Expected life (years) 5 years 5 years
Maximum    
Class of Stock [Line Items]    
Risk-free interest rate 2.24% 2.24%
Volatility rate 89.11% 89.11%
Expected life (years) 6 years 3 months 6 years 3 months