Shareholder's Equity and Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2022

Equity [Abstract]

Schedule of Stock Option Activity

The following table sets forth the Company’s stock option activity:

	Three Months Ended March 31, 2022
				Weighted Average
	Stock Options			Exercise Price
Outstanding - beginning of period		1,992,915		$	68.39
Granted		240,243		$	139.63
Exercised		(308,447	)	$	45.05
Cancelled/Forfeited		(15,550	)	$	79.70
Expired		(6,397	)	$	16.20
Outstanding - end of period		1,902,764		$	81.25
Exercisable - end of period		1,266,283		$	53.82

Schedule of RSA/RSU Activity

The following table sets forth the Company’s RSA/RSU activity:

	Three Months Ended
	March 31, 2022
	Shares/Units
Outstanding and unvested - beginning of period		602,187
Granted		124,043
Vested		(82,000	)
Forfeited		(17,165	)
Outstanding and unvested - end of period		627,065
Cumulative vested shares - end of period		2,114,916

Summary of Stock-Based Compensation Expense Recognized in Statements of Operations Related to All Outstanding Stock Based Compensation Awards

Stock-based compensation expense recognized in the condensed consolidated statements of operations related to all outstanding stock based compensation awards is summarized below (in thousands):

	Three Months Ended March 31,
	2022		2021
Total direct costs	$	2,440	$	2,047
Selling, general and administrative		1,932		824
Total stock-based compensation expense	$	4,372	$	2,871