Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 104,614	$ 74,843
Short-term investments	72,980	167,872
Prepaid expenses and other current assets	3,778	4,978
Total current assets	181,372	247,693
Restricted cash	1,032	1,166
Property and equipment, net	17,418	17,848
Operating lease right-of-use assets	19,864	20,333
Other non-current assets	1,018
Total assets	220,704	287,040
Current liabilities:
Accounts payable	10,301	11,153
Accrued liabilities	8,060	9,250
Operating lease liabilities, current	1,729	1,202
Other current liabilities	164	139
Total current liabilities	20,254	21,744
Operating lease liabilities, non-current	32,406	33,387
Total liabilities	52,660	55,131
Commitments and contingencies (Note 5)
Stockholders’ equity:
Common stock	39	39
Additional paid-in capital	537,269	528,365
Accumulated other comprehensive loss	(439)	(180)
Accumulated deficit	(368,825)	(296,315)
Total stockholders’ equity	168,044	231,909
Total liabilities and stockholders’ equity	$ 220,704	$ 287,040

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).