BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 58,990	$ 66,840
Short-term investments	130,639	139,432
Prepaid expenses and other current assets	3,535	4,185
Total current assets	193,164	210,457
Long-term investments	19,309	21,951
Property and equipment, net	3,112	3,253
Other assets	11,063	11,517
Total assets	226,648	247,178
Current liabilities:
Accounts payable	1,930	1,320
Accrued liabilities	12,937	14,068
Total current liabilities	14,867	15,388
Other long-term liabilities	8,969	9,439
Total liabilities	23,836	24,827
Commitments and contingencies
Stockholders' equity:
Preferred stock, $0.0001 par value; 200,000,000 shares authorized; no shares issued and outstanding at March 31, 2023 and December 31, 2022	0	0
Common stock, $0.0001 par value; 1,000,000,000 shares authorized; 45,091,215 and 45,089,537 shares issued and outstanding at March 31, 2023 and December 31, 2022, respectively	5	5
Additional paid-in capital	561,481	557,867
Accumulated deficit	(358,175)	(334,230)
Accumulated other comprehensive loss	(499)	(1,291)
Total stockholders' equity	202,812	222,351
Total liabilities and stockholders' equity	$ 226,648	$ 247,178

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).

Name:	us-gaap_AccountsPayableCurrent
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).