Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2021

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 Years Ended December 31,
		2021	2020	2019
Risk-free interest rate		0.6%	1.0%	2.4%
Expected life of options — years		6.06	3.91	3.41
Expected stock price volatility		33%	28%	26%
Expected dividend yield		1.0%	0.8%	0.8%

Schedule of Stock Options Activity Under Share-based Payment Plans

The following table summarizes stock option activity under our share-based plans for the years ended December 31, 2021, 2020 and 2019:


	Options	Weighted-Average Exercise Price Per Share		Weighted-Average Remaining Contractual Term (Years)	Aggregate Intrinsic Value
Outstanding at the beginning of January 1, 2019	243	$	4.22
Awards granted in connection with acquisition	7	$	3.85
Granted	15	$	6.10
Exercised	(53)	$	3.65
Forfeited, cancelled or expired	(4)	$	5.58
Outstanding as of December 31, 2019	208	$	4.46
Granted	11	$	6.87
Exercised	(33)	$	3.66
Forfeited, cancelled or expired	(2)	$	6.28
Outstanding as of December 31, 2020	184	$	4.73
Granted	54	$	6.14
Exercised	(72)	$	3.98
Forfeited, cancelled or expired	(5)	$	6.73
Outstanding as of December 31, 2021	161	$	5.47	5.74	$	156
Exercisable as of December 31, 2021	101	$	5.01	4.92	$	144

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 years ended December 31, 2021, 2020 and 2019:


	Shares	Grant Date Fair Value Per Share
Nonvested at the beginning of January 1, 2019	35	$	5.50
Awards granted in connection with acquisition	48	$	5.83
Granted	38	$	6.01
Vested	(38)	$	5.53
Forfeited	(8)	$	5.85
Nonvested as of December 31, 2019	75	$	5.95
Granted	37	$	6.14
Vested	(32)	$	5.89
Forfeited	(5)	$	6.00
Nonvested as of December 31, 2020	75	$	6.06
Granted	40	$	6.35
Vested	(26)	$	6.02
Forfeited	(9)	$	6.11
Nonvested as of December 31, 2021	80	$	6.22