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Stock-based Compensation

6 Months Ended

Jun. 30, 2021

Share-based Payment Arrangement [Abstract]

Total compensation expense by award type and line item in our consolidated financial statements for the three and six months ended June 30, 2021 and 2020 was as follows (in thousands):


	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2021		2020		2021		2020
Award Type
Stock options	$	267	$	638	$	671	$	1,388
Performance-based stock options	—		—		—		75
RSUs	2,427		2,006		4,401		3,862
LSUs	222		1,059		1,307		1,886
PSUs	737		—		980		—
Total compensation expense by award type	$	3,653	$	3,703	$	7,359	$	7,211

Line Item
Cost of revenue	$	892	$	526	$	1,487	$	918


Selling, general and administrative expenses	2,761		3,177		5,872		6,293
Total compensation expense by financial statement line item	$	3,653	$	3,703	$	7,359	$	7,211

No stock-based compensation was capitalized as software development costs for the three and six months ended June 30, 2021 and 2020.

Stock-based awards were granted for the three and six months ended June 30, 2021 and 2020 as follows (in thousands):


	For the Three Months Ended June 30,		For the Six Months Ended June 30,
	2021	2020	2021	2020
RSUs	89	164	1,028	1,140
PSUs	—	—	319	—
LSUs	—	140	—	520