Stock-Based Compensation

9 Months Ended

Sep. 30, 2019

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Stock-Based Compensation

10. Stock-Based Compensation

Stock-based compensation expense has been reported in the Company’s condensed statements of operations for the three and nine months ended September 30, 2019 and 2018 as follows (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
General and administrative	$	395	$	65	$	792	$	119
Research and development		96		31		207		143
Total stock-based compensation	$	491	$	96	$	999	$	262

As of September 30, 2019, the total unrecognized compensation expense related to unvested employee and non-employee stock option awards was $3.4 million, which was expected to be recognized in expense over a weighted-average period of approximately 2.8 years.