Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash	$ 11,557	$ 16,387
Prepaid expenses	1,707	197
Total current assets	13,264	16,584
Right-of-use assets and other	99	105
Property and equipment, net	98	110
Total assets	13,461	16,799
Current liabilities:
Accounts payable	776	830
Accrued liabilities	693	1,301
Lease liability, short-term	27	26
Total current liabilities	1,496	2,157
Lease liability, long-term	37	45
Total liabilities	1,533	2,202
Commitments and contingencies (Notes 4, 5, and 10)
Stockholders' equity
Preferred stock, $0.001 par value per share; 10,000,000 shares authorized as of March 31, 2022 and December 31, 2021; no shares issued or outstanding as of March 31, 2022 and December 31, 2021.
Common stock, $0.001 par value per share, 100,000,000 shares authorized as of March 31, 2022 and December 31, 2021; 26,661,771 shares issued and outstanding as of March 31, 2022 and December 31, 2021.	27	27
Additional paid-in capital	96,601	96,394
Accumulated other comprehensive income	3	4
Accumulated deficit	(84,703)	(81,828)
Total stockholders' equity	11,928	14,597
Total liabilities and stockholders' equity	$ 13,461	$ 16,799

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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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).