Interim Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 10,472	$ 13,493
Marketable securities	1,998	1,999
Restricted cash	85	87
Prepaid expenses and other assets	197	300
Total current assets	12,752	15,879
Property and equipment, net	239	244
Operating right-of-use assets	691	644
Total assets	13,682	16,767
Current liabilities:
Accounts payable	212	279
Lease liabilities	316	278
Accrued liabilities	1,147	1,427
Total current liabilities	1,675	1,984
Non-current liabilities:
Long-term lease liabilities	386	402
Total liabilities	2,061	2,386
Stockholders’ equity:
Common stock; $0.01 par value; 60,000,000 shares authorized as of March 31, 2022 and December 31, 2021, 7,108,133 shares issued and outstanding as of March 31, 2022 and December 31, 2021	72	72
Additional paid-in capital	70,331	69,902
Accumulated deficit	(58,782)	(55,593)
Total stockholders’ equity	11,621	14,381
Total liabilities and stockholders’ equity	$ 13,682	$ 16,767

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).