Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation - Schedule of Fair Value of Option Award (Details)

v3.19.1
Stock-Based Compensation - Schedule of Fair Value of Option Award (Details)
12 Months Ended
Dec. 31, 2018
USD ($)
$ / shares
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Weighted average grant date fair value per share of awards granted | $ / shares $ 0.76
Expected term (in years) 5 years 9 months
Volatility 52.54%
Risk-free interest rate 0.03%
Expected dividends | $