CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Current assets:
Cash	$ 5,311	$ 5,446
Deferred stock offering expenses	457	0
Refundable tax credits receivable, current portion	0	485
Other current assets	56	62
Total current assets	5,824	5,993
Refundable tax credits receivable, net of current portion	0	485
Total assets	5,824	6,478
Current liabilities:
Accounts payable	306	324
Accrued expenses and other current liabilities	348	99
Total current liabilities	654	423
Commitments and contingencies	0	0
Stockholders' equity
Preferred stock - $0.01 par value, authorized 3,000,000 shares; no shares issued and outstanding at September 30, 2020 and December 31, 2019	0	0
Common stock - $0.01 par value, authorized 170,000,000 shares; issued and outstanding 44,214,603 shares at September 30, 2020 and December 31, 2019	442	442
Additional paid-in capital	75,690	75,690
Accumulated deficit	(70,962)	(70,077)
Total stockholders' equity	5,170	6,055
Total liabilities and stockholders' equity	$ 5,824	$ 6,478

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).