Quarterly report pursuant to Section 13 or 15(d)

Stock-based Compensation - Schedule of Restricted Stock Units ("RSU") Activity (Details)

v3.19.2
Stock-based Compensation - Schedule of Restricted Stock Units ("RSU") Activity (Details) - Restricted Stock Units
6 Months Ended
Jun. 30, 2019
$ / shares
shares
Number of Shares  
Beginning balance - Outstanding (shares) | shares 111,891
Options granted in period (shares) | shares 927,500
Vested (shares) | shares (23,840)
Forfeited/Cancelled (shares) | shares (48,324)
Ending balance - Outstanding (shares) | shares 967,227
Weighted Average Grant Date Fair Value Per Share  
Beginning balance - Outstanding (in dollars per share) | $ / shares $ 2.06
Granted (in dollars per share) | $ / shares 1.37
Vested (in dollars per share) | $ / shares 2.27
Forfeited/Cancelled dollars per share) | $ / shares 1.46
Ending balance - Outstanding (in dollars per share) | $ / shares $ 1.42
Vesting percentage 25.00%
Vesting period of options 4 years