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Stock Compensation (Tables)
 3 Months Ended
Mar. 31, 2022
Share-based Payment Arrangement [Abstract]  
Summary of Activity Relating to the Company's Options and Performance-Based Options to Purchase Common Stock
The following table summarizes the activity relating to the Company’s options to purchase common stock for the three months ended March 31, 2022:
Number of OptionsWeighted-Average Exercise Price Per ShareWeighted-Average Remaining Contractual Term (Years)Aggregate Intrinsic Value
(in thousands)
Outstanding at December 31, 20213,214,537 $38.38 4.18$— 
Granted1,042,450 $4.64 
Forfeited or expired(155,728)$47.81 
Exercised— $— 
Outstanding at March 31, 20224,101,259 $29.44 5.62$99 
Vested and expected to vest at March 31, 20224,101,259 $29.44 5.62$99 
Exercisable at March 31, 20222,491,684 $39.84 3.09$— 
The following table summarizes the activity relating to the Company’s PBSOs for the three months ended March 31, 2022:
Number of OptionsWeighted-Average Exercise Price Per ShareWeighted-Average Remaining Contractual Term (Years)Aggregate Intrinsic Value
(in thousands)
Outstanding at December 31, 2021122,700 $8.94 9.83$— 
Granted— $— $— 
Forfeited or expired— $— $— 
Exercised— $— $— 
Outstanding at March 31, 2022122,700 $8.94 9.59$— 
Vested and expected to vest at March 31, 2022122,700 8.949.59$— 
Exercisable at March 31, 2022— $— 0$— 
Summary of Activity Relating to the Company's RSUs
The following table summarizes the activity relating to the Company’s RSUs for the three months ended March 31, 2022:
Number of
RSUs		Weighted-Average
Fair Value Per
Share
Outstanding and unvested December 31, 2021698,704 $28.09 
Granted1,386,629 $4.51 
Forfeited(51,330)$20.36 
Vested(55,286)$36.94 
Outstanding and unvested March 31, 20221,978,717 $11.51 
Summary of Activity Relating to the Company's PBRSU's
The following table summarizes the activity relating to the Company's PBRSUs for the three months ended March 31, 2022:
Number of
PBRSUs		Weighted-average fair value per share
Outstanding December 31, 2021639,950 $9.90 
Granted— $— 
Forfeited(37,200)$8.94 
Outstanding and unvested March 31, 2022602,750 $9.96