XML 50 R40.htm IDEA: XBRL DOCUMENT v3.24.0.1
Stock-Based Compensation (Tables)
 9 Months Ended
Sep. 30, 2023
Share-Based Payment Arrangement [Abstract]  
Schedule of Stock Option Activity
A summary of the stock option activity under our equity incentive plans is as follows:
Number of OptionsWeighted- Average Exercise PriceWeighted- Average Remaining Contractual Term (years)Aggregate Intrinsic Value (in thousands)
Balance – December 31, 20222,599,264 $8.41 7.2$— 
Granted— — — — 
Exercised — — — — 
Forfeited and cancelled(209,903)$25.17 — $— 
Balance – September 30, 20232,389,361 $6.94 6.3$— 
Exercisable – September 30, 20232,238,745 $6.58 6.2$— 
Vested and expected to vest as of September 30,20232,389,361 $6.94 6.3$— 
Schedule of Restricted Stock Unit Activity
A summary of restricted stock unit activity under our equity incentive plans is as follows:
Number of AwardsWeighted- Average Grant Date Fair Value per Share
Unvested and outstanding balance at December 31, 20222,058,534 $12.79 
Granted— — 
Vested(959,031)12.69 
Forfeited(176,695)20.12 
Unvested and outstanding balance at September 30, 2023922,808 $11.49 
Schedule of Performance Stock Unit Activity
A summary of PSU activity under our 2021 Plan is as follows:

Number of
awards		Weighted-
average grant
date fair value
per share
Unvested and outstanding balance at December 31, 20221,089,045 $12.72 
Granted— — 
Vested— — 
Forfeited(280,854)15.32 
Unvested and outstanding balance at September 30, 2023808,191 $11.82 
Schedule of Allocated Share-based Compensation Expense
Stock-based compensation expense under our equity incentive plans was as follows (in thousands):
Three Months Ended
September 30,		Nine Months Ended
September 30,
2023202220232022
Cost of sales (1)
$643 $513 $190 $2,156 
Selling and administrative expenses (2)
(103)4,030 8,720 13,673 
Total$540 $4,543 $8,910 $15,829 
(1)    Cost of sales for the nine months ended September 30, 2023 includes a net reversal of $1.0 million of stock-based compensation expense associated with equity awards granted to an independent contractor for services pursuant to the terms of a license services and collaboration agreement. Stock-based compensation expense associated with equity awards granted to an independent contractor for services pursuant to the terms of a license, services and collaboration agreement and recorded in cost of sales for the three months ended September 30, 2023 was immaterial. Stock-based compensation expense associated with equity awards granted to an independent contractor for services pursuant to the terms of a license, services and collaboration agreement and recorded in cost of sales for the three and nine months ended September 30, 2022 were $0.4 million and $1.1 million, respectively.
(2)    Selling and administrative expenses for the three months ended September 30, 2023 includes a reversal of $2.4 million of stock-based compensation expense due to forfeitures of certain equity grants. Selling and administrative expenses for the nine months ended September 30, 2023 includes $2.3 million of accelerated amortization of stock-based compensation expense for certain equity awards, offset by a $2.4 million reduction in stock-based compensation expense due to forfeitures of certain equity grants during the nine months ended September 30, 2023.