Interim Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 13,428	$ 19,650
Marketable securities	4,999	4,998
Restricted cash	84	84
Prepaid expenses and other assets	277	521
Total current assets	18,788	25,253
Property and equipment, net	228	251
Operating right-of-use assets	685	775
Total assets	19,701	26,279
Current liabilities:
Accounts payable	489	275
Lease liabilities	267	187
Accrued liabilities	639	883
Total current liabilities	1,395	1,345
Non-current liabilities:
Long-term lease liabilities	436	626
Total liabilities	1,831	1,971
Commitments and contingencies
Stockholders’ equity:
Common stock; $0.01 par value; 60,000,000 shares authorized as of September 30, 2021 and December 31, 2020, 7,108,133 shares issued and outstanding as of September 30, 2021 and December 31, 2020	72	72
Additional paid-in capital	69,532	68,516
Accumulated deficit	(51,734)	(44,280)
Total stockholders’ equity	17,870	24,308
Total liabilities and stockholders’ equity	$ 19,701	$ 26,279

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).