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Benefit Plans (Tables)
9 Months Ended
Sep. 30, 2022
Retirement Benefits [Abstract]  
Schedule of Fair Value of Options Granted
The following table summarizes the weighted-average assumptions used to compute the fair value of options granted to employees, members of our board of directors and non-employees:

 For the Three Months Ended September 30,For the Nine Months Ended September 30,
 2022202120222021
Risk-free interest rate2.9%0.5%1.6%0.6%
Expected life of options — years2.713.833.526.06
Expected stock price volatility34%32%32%33%
Expected dividend yield1.3%0.9%1.3%1.0%
Schedule of Stock Options Activity Under Share-based Payment Plans
The following table summarizes stock option activity under our share-based plans for the nine months ended September 30, 2022:
 Options
Weighted-Average
Exercise Price
Per Share (1)
Weighted-Average
Remaining
Contractual Term (Years)
Aggregate
Intrinsic
Value
Outstanding as of December 31, 2021161 $5.23 
Granted10 $6.46 
Exercised(32)$4.34 
Forfeited, cancelled or expired(2)$6.46 
Outstanding as of September 30, 2022137 $5.51 5.53$68 
Exercisable as of September 30, 202281 $5.13 4.67$68 
(1) The weighted-average exercise price for options outstanding on February 11, 2022 were adjusted to reflect the reduction of $0.25 to the exercise price related to the special cash dividend paid on February 25, 2022.
Schedule of Restricted Stock Unit and Stock Award Activity
The following table summarizes the restricted stock unit, including PRSU, activity under our share-based plans for the nine months ended September 30, 2022:
 SharesGrant Date
Fair Value Per Share
Nonvested as of December 31, 202180 $6.22 
Granted44 $6.62 
Vested(28)$6.15 
Forfeited(8)$6.35 
Nonvested as of September 30, 202288 $6.41