Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Summary of Stock Option Activity (Details)

v3.19.3
Stock-Based Compensation - Summary of Stock Option Activity (Details)
9 Months Ended
Sep. 30, 2019
USD ($)
$ / shares
shares
Share-based Payment Arrangement [Abstract]  
Number of Shares, Options Outstanding, Beginning | shares 673,885
Number of Shares, Options Granted | shares 698,750
Number of Shares, Options Exercised/ Expired/ Forfeited | shares (28,500)
Number of Shares, Options Outstanding at Ending | shares 1,344,135
Number of Shares, Options Exercisable | shares 531,528
Weighted Average Exercise Price, Outstanding, Beginning $ 19.82
Weighted Average Exercise Price, Options Granted 0.62
Weighted Average Exercise Price, Options Exercised/ Expired/ Forfeited 0.98
Weighted Average Exercise Price, Outstanding at Ending 10.24
Weighted Average Exercise Price, Options Exercisable $ 28.66
Aggregate Intrinsic Value, Outstanding, Beginning | $
Aggregate Intrinsic Value, Options Granted
Aggregate Intrinsic Value, Options Exercised/ Expired/ Forfeited
Aggregate Intrinsic Value, Outstanding at Ending | $
Aggregate Intrinsic Value, Options Exercisable | $
Weighted- Average Remaining Contractual Life (in Years), Outstanding, Beginning 8 years 2 months 12 days
Weighted- Average Remaining Contractual Life (in Years), Options Granted 9 years
Weighted- Average Remaining Contractual Life (in Years), Outstanding at Ending 8 years 4 months 24 days
Weighted- Average Remaining Contractual Life (in Years), Options Exercisable 7 years 4 months 24 days