Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 62,564	$ 70,097
Prepaid expenses and other current assets	2,315	2,107
Total current assets	64,879	72,204
Property and equipment, net	1,067	1,049
Operating lease right-of-use assets	3,270	3,406
Restricted cash	1,339	1,339
Other assets	668	669
Total assets	71,223	78,667
Current liabilities:
Accounts payable	2,417	1,660
Accrued expenses	5,840	6,592
Operating lease liabilities, current	616	594
Total current liabilities	8,873	8,846
Operating lease liabilities	5,245	5,408
Total liabilities	14,118	14,254
Commitments and contingencies (See Note 9)
Stockholders’ equity:
Preferred stock; $0.001 par value per share; 5,000,000 shares authorized as of March 31, 2022 and December 31, 2021; no shares issued and outstanding as of March 31, 2022 and December 31, 2021
Common stock, $0.001 par value per share; 115,000,000 shares authorized as of March 31, 2022 and December 31, 2021;17,710,450 shares issued and outstanding as of March 31, 2022 and December 31, 2021	18	18
Additional paid-in capital	182,280	180,645
Accumulated deficit	(125,193)	(116,250)
Total stockholders’ equity	57,105	64,413
Total liabilities and stockholders’ equity	$ 71,223	$ 78,667

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).