Condensed Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 10,589	$ 33,418
Short-term investments	75,099	61,615
Prepaid expenses and other current assets	3,133	4,207
Total current assets	88,821	99,240
Property and equipment, net	2,002	1,946
Prepaid expenses and other non-current assets	29	608
Total assets	90,852	101,794
Current liabilities:
Accounts payable	1,956	2,513
Accrued research and development	2,097	1,356
Other current liabilities	2,225	3,128
Total current liabilities	6,278	6,997
Deferred rent, long term portion	12	11
Total liabilities	6,290	7,008
Commitments and contingencies (Note 5)
Stockholders’ Equity:
Preferred stock
Common stock	2	2
Additional paid-in capital	229,376	228,155
Accumulated deficit	(144,816)	(133,367)
Accumulated other comprehensive loss		(4)
Total stockholders’ equity	84,562	94,786
Total liabilities and stockholders’ equity	$ 90,852	$ 101,794

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).