Condensed Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Assets
Cash and cash equivalents	$ 40,556	$ 15,835
Short-term marketable securities	23,880	77,315
Prepaid expenses and other current assets	3,127	6,698
Total current assets	67,563	99,848
Property and equipment, net	6,769	6,792
Operating lease right-of-use asset	154
Long-term marketable securities		2,620
Other non-current assets	551	572
Total assets	75,037	109,832
Liabilities
Accounts payable	1,940	1,469
Accrued and other current liabilities	4,546	5,943
Operating lease liability	172
Current portion of long-term debt		1,080
Total current liabilities	6,658	8,492
Total liabilities	6,658	8,492
Commitments and contingencies (Note 8)
Stockholders’ equity
Preferred stock, $0.0001 par value, 10,000,000 shares authorized as of September 30, 2022 and December 31, 2021; no shares issued and outstanding as of September 30, 2022 and December 31, 2021
Common stock, $0.0001 par value, 300,000,000 shares authorized as of September 30, 2022 and December 31, 2021; 33,125,954 shares and 31,545,564 shares issued and outstanding as of September 30, 2022 and December 31, 2021, respectively	3	3
Additional paid-in-capital	257,100	243,115
Accumulated other comprehensive loss	(63)	(42)
Accumulated deficit	(188,661)	(141,736)
Total stockholders’ equity	68,379	101,340
Total liabilities and stockholders’ equity	$ 75,037	$ 109,832

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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- 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).