Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 53,960	$ 65,799
Investments	90,221	143,987
Prepaid expenses and other current assets	6,797	5,917
Total current assets	150,978	215,703
Property and equipment, net	2,731	3,035
Restricted cash	1,168	1,223
Right-of-use assets	25,539	27,705
Other non-current assets	0	16
Total assets	180,416	247,682
Current liabilities:
Accounts payable	5,760	4,107
Accrued expenses and other current liabilities	15,383	19,535
Total current liabilities	21,143	23,642
Non-current operating lease liabilities	26,042	28,140
Total liabilities	47,185	51,782
Commitments and contingencies (Note 10)	0	0
Stockholders' equity:
Preferred stock, $0.0001 par value; 10,000,000 shares authorized at September 30, 2022 and December 31, 2021; no shares issued or outstanding at September 30, 2022 and December 31, 2021	0	0
Common stock; $0.0001 par value; 500,000,000 shares authorized at September 30, 2022 and December 31, 2021; 36,366,206 shares issued and outstanding at September 30, 2022 and 36,234,624 shares issued and outstanding at December 31, 2021	5	5
Additional paid-in capital	449,625	440,129
Accumulated other comprehensive loss	(2,488)	(414)
Accumulated deficit	(313,911)	(243,820)
Total stockholders' equity	133,231	195,900
Total liabilities and stockholders' equity	$ 180,416	$ 247,682
Common stock, shares outstanding (in shares)	36,366,206	36,234,624
Common stock, shares issued (in shares)	36,366,206	36,234,624

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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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).