Balance Sheet Components (Tables)

3 Months Ended

Mar. 31, 2020

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Summary of Cash and Cash Equivalents

Cash and cash equivalents consist of the following:

	March 31, 2020		December 31, 2019
	(in thousands)
Cash	$	571	$	1,288
Cash equivalents:
Money market accounts		132,963		146,240
Total cash and cash equivalents	$	133,534	$	147,528

Summary of Reconciliation of Cash, Cash Equivalents and Restricted Cash

The following table provides a reconciliation of cash, cash equivalents and restricted cash reported in the condensed consolidated balance sheets to the amounts shown in the condensed consolidated statements of cash flows.

	March 31, 2020		March 31, 2019
	(in thousands)
Cash and cash equivalents	$	133,534	$	90,908
Restricted cash included in other assets		300		300
Total cash, cash equivalents and restricted cash shown in the condensed consolidated statement of cash flows	$	133,834	$	91,208

Summary of Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consist of the following:

	March 31, 2020		December 31, 2019
	(in thousands)
Prepaid insurance	$	582	$	918
Prepaid research and development project costs		581		853
Other receivables		156		190
Other		617		408
Total prepaid expenses and other current assets	$	1,936	$	2,369

Summary of Property and Equipment, Net

Property and equipment, net consists of the following:

	March 31, 2020			December 31, 2019
	(in thousands)
Software	$	364		$	352
Leasehold improvements		112			112
Computer equipment		89			89
Furniture and fixtures		3			3
Property and equipment, gross		568			556
Less: accumulated depreciation		(456	)		(443	)
Total property and equipment, net	$	112		$	113

Summary of Accrued and Other Liabilities

Accrued and other liabilities consist of the following:

	March 31, 2020		December 31, 2019
	(in thousands)
Accrued research and development costs	$	2,777	$	2,668
Accrued employee related costs		1,411		3,420
Accrued professional fees		1,162		817
Operating lease liability		175		187
Other		115		78
Total accrued and other liabilities	$	5,640	$	7,170