BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 11,041	$ 8,363
Other current assets	532	117
Total current assets	11,573	8,480
Right-of-use asset - operating	24	22
Property and equipment, net	12	10
Other assets	24	24
Total assets	11,633	8,536
Current liabilities:
Accounts payable	576	418
Accrued compensation and employee benefits	152	129
Accrued expenses and other liabilities	600	379
Total current liabilities	1,328	926
Commitments and contingencies
Stockholders’ equity:
Common stock, $0.001 par value; 100 million shares authorized at June 30, 2020 and December 31, 2019; 2,267,570 and 1,594,070 shares issued and outstanding at June 30, 2020 and December 31, 2019, respectively	2	2
Additional paid-in capital	157,341	152,024
Accumulated deficit	(147,038)	(144,416)
Total stockholders’ equity	10,305	7,610
Total liabilities and stockholders’ equity	$ 11,633	$ 8,536

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

Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital.