Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2020

Accounting Policies [Abstract]

Schedule of Estimated Stock-Based Compensation Expense

Stock-based compensation expense, net of estimated forfeitures, is reflected in the condensed consolidated statements of operations as follows (in thousands):

	Three Months Ended
	March 31,
	2020		2019
Operating Expenses
Research and development	$	121	$	86
General and administrative		596		962
Total	$	717	$	1,048