Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation (Tables)

v3.22.0.1
Stock-Based Compensation (Tables)
12 Months Ended
Dec. 31, 2021
Share-based Payment Arrangement [Abstract]  
Stock-Based Compensation A summary of the status and changes of the unvested shares of restricted stock under the 2016 Plan is presented below.
Number of Unvested Restricted Stock Units Weighted Average Grant-Date Fair Value
Unvested restricted stock units as of January 1, 2019 434,119  $ 22.78 
Granted 101,181  6.83 
Vested (231,896) 22.45 
Forfeited (82,163) 18.55 
Unvested restricted stock units as of December 31, 2019 221,241  22.43 
Granted 2,401,446  0.98 
Vested (660,738) 5.32 
Forfeited (47,167) 3.28 
Unvested restricted stock units as of December 31, 2020 1,914,782  1.21 
Granted 128,205  3.90 
Vested (914,782) 1.52 
Forfeited —  — 
Unvested restricted stock units as of December 31, 2021 1,128,205  1.27