Stock-Based Awards (Tables)

6 Months Ended

Jun. 30, 2020

Stock-Based Awards

Schedule of Stock-Based Compensation Expense Related to Stock Options and Restricted Common Stock

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2020		2019		2020		2019
Research and development	$	362	$	593	$	737	$	1,213
Selling and marketing		433		238		804		458
General and administrative		1,031		864		1,950		1,966
	$	1,826	$	1,695	$	3,491	$	3,637