Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 186,978	$ 140,233
Prepaid expenses and other assets	5,414	1,028
Total current assets	192,392	141,261
Property and equipment, net	445	287
Investment in joint venture	1,028	310
Total assets	193,865	141,858
Current liabilities:
Accounts payable	2,599	1,579
Accrued expenses	4,745	4,264
Total current liabilities	7,344	5,843
Accrued expenses long-term	35	12
Total liabilities	7,379	5,855
Commitments and contingencies (Note 7)
Stockholders' equity
Common stock, value	3	2
Preferred stock, value		0
Additional paid-in capital	268,095	183,015
Accumulated deficit	(81,612)	(47,014)
Total stockholders' equity	186,486	136,003
Total liabilities and stockholders' equity	$ 193,865	$ 141,858

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).