Balance Sheet Components (Tables)

6 Months Ended

Jun. 30, 2018

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets (in thousands)

	June 30,		December 31,
	2018		2017
Preclinical and clinical (1)	$	57	$	261
Other		629		301
Total	$	686	$	562

(1) These prepayments consist primarily of advances to the Company’s contract manufacturers and contract research organizations

Accrued Liabilities

Accrued Liabilities (in thousands)

	June 30,		December 31,
	2018		2017
Payroll and related	$	2,695	$	2,058
Preclinical and clinical		82		1,694
Professional services		303		204
Other		154		137
Total	$	3,234	$	4,093