Stock Based Compensation (Tables)

9 Months Ended

Sep. 30, 2024

Stock Based Compensation

Schedule of recognized & allocated compensation costs

	Three Months Ended September 30,				Nine Months Ended September 30,
	2024		2023		2024		2023
Stock-based compensation costs related to RSUs	$	1,499	$	1,248	$	4,107	$	2,839
Stock-based compensation costs related to stock options		1,529		2,012		4,756		5,486
Stock-based compensation costs related to the ESPP		45		42		124		122
Total stock-based compensation costs	$	3,073	$	3,302	$	8,987	$	8,447

Schedule of award activity for stock options and RSU's

	RSUs	Stock Options
Balance at December 31, 2023	4,473,016		24,264,016
Granted	3,159,872		4,566,167
Vested or Exercised	(264,754)		(2,360,316)
Forfeited	(72,619)		(842,395)
Balance at March 31, 2024	7,295,515		25,627,472
Granted	2,162,222		1,757,960
Vested or Exercised	(867,515)		(1,230,581)
Forfeited	(886,343)		(1,873,843)
Balance at June 30, 2024	7,703,879		24,281,008
Granted	562,463		—
Vested or Exercised	(206,133)		(832,122)
Forfeited	(333,651)		(1,406,329)
Balance at September 30, 2024	7,726,558		22,042,557

Schedule of fair value of each option using the Black-Scholes option pricing model

	Nine Months Ended September 30,
	2024			2023
Approximate risk‑free rate		4.23	%		4.17	%
Volatility		48.10	%		46.91	%
Average expected life (in years)		6			6
Dividend yield		—	%		—	%
Weighted‑average grant date fair value	$	1.59		$	2.80
Estimated fair value of total stock options granted	$	5,175		$	7,815