Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2018

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Summary of Stock-Based Compensation Expense

Total stock-based compensation expense was recognized in our condensed consolidated statements of operations and comprehensive loss as follows (in thousands):

	Three months ended June,				Six months ended June 30,
	2018		2017		2018		2017
Research and development		701	$	67		1,041	$	108
General and administrative		415		64		731		95
Total stock-based compensation	$	1,116	$	131	$	1,772	$	203