Quarterly report pursuant to Section 13 or 15(d)

7. SHARE-BASED COMPENSATION (Tables)

v3.22.2.2
7. SHARE-BASED COMPENSATION (Tables)
9 Months Ended
Sep. 30, 2022
Share-Based Payment Arrangement [Abstract]  
Share-based Compensation Expense by Line Item

The following table summarizes the amount of share-based compensation expense by line item on the statements of operations:

                         
Share-based compensation expense     Three Months Ended     Nine Months Ended
      September 30,     September 30,
(in thousands)     2022     2021     2022     2021
Research and development expense   $        1,831   $        1,371   $        5,681   $        4,758
Sales, marketing, general and administrative expense            2,250            1,439            6,254            7,587
    $        4,081   $        2,810   $        11,935   $        12,345
Option Positions

The following table summarizes shares, weighted-average exercise price, weighted-average remaining contractual term and aggregate intrinsic value of options outstanding and options exercisable as of September 30, 2022:

              Weighted-      
          Weighted-   Average      
          Average   Remaining     Aggregate
Options         Exercise   Contractual     Intrinsic
    Shares     Price   Term (years)     Value
Outstanding as of September 30, 2022     945,000   $   1.26   5.9   $   2,302,000
                     
Exercisable as of September 30, 2022     941,000   $   1.26   5.9   $   2,288,000
Restricted Stock Unit Activity

The following table summarizes activity and positions with respect to RSUs and PSUs for the nine months ended September 30, 2022:

            Weighted-average
      Shares     price
Unvested as of December 31, 2021       2,625,000    $    13.05
Granted           9,083,000         2.45
Vested         (1,019,000)        10.59
Forfeited           (1,098,000)        7.34
Unvested as of September 30, 2022      9,591,000    $    3.93