Stock Based Compensation (Tables)

6 Months Ended

Jun. 30, 2023

Stock Based Compensation

Schedule of recognized & allocated compensation costs

	Three months ended June 30,				Six months ended June 30,
	2023		2022		2023		2022
Equity-based compensation costs related to RSUs	$	954	$	514	$	1,589	$	514
Equity-based compensation costs related to stock options		1,889		1,800		3,476		3,396
Equity-based compensation costs related to ESPP		80		—		80		—
Total equity-based compensation costs	$	2,923	$	2,314	$	5,145	$	3,910
Unrecognized future compensation cost as of		—		—		34,327		25,316

Schedule of award activity for stock options and RSU's

The following table summarizes our award activity for RSUs and stock options for the three and six months ended June 30, 2023:

	RSUs	Stock Options
Balance at December 31, 2022	1,057,980		25,998,172
Granted	1,797,034		3,272,873
Vested or Exercised	—		(1,679,954)
Forfeited	(88,441)		(1,494,020)
Balance at March 31, 2023	2,766,573		26,097,071
Granted	1,753,207		1,904,016
Vested or Exercised	(215,553)		(346,676)
Forfeited	(47,181)		(466,635)
Outstanding at June 30, 2023	4,257,046		27,187,776

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

	Six months ended June 30,
	2023			2022
Approximate risk‑free rate		4.17	%		2.84	%
Volatility		46.91	%		44.69	%
Average expected life (years)		6 years			6 years
Dividend yield		—	%		—	%
Weighted‑average grant date fair value	$	2.80		$	7.26
Estimated fair value of total stock options granted	$	7,815		$	5,659