Annual report pursuant to Section 13 and 15(d)

Stock Based Awards - Schedule of Weighted Average Assumptions Used for Grants (Details)

v3.19.1
Stock Based Awards - Schedule of Weighted Average Assumptions Used for Grants (Details)
12 Months Ended
Dec. 31, 2018
$ / shares
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Weighted average per share grant date fair value $ 2.11
Risk-free interest rate 2.99%
Expected dividend yield 0.00%
Expected volatility 90.00%
Expected terms (in years) 6 years 1 month 6 days