BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 8,363	$ 6,608
Other current assets	117	169
Total current assets	8,480	6,777
Right-of-use asset - operating	22
Property and equipment, net	10	24
Other assets	24	24
Total assets	8,536	6,825
Current liabilities:
Accounts payable	418	230
Accrued compensation and employee benefits	129	150
Accrued expenses and other liabilities	379	413
Total current liabilities	926	793
Commitments and contingencies
Stockholders’ equity:
Preferred stock, $0.001 par value; 5 million shares authorized; no shares issued or outstanding at December 31, 2019 and 2018
Common stock, $0.001 par value; 100 million shares authorized at December 31, 2019 and 2018; 1,594,070 and 773,558 shares issued and outstanding at December 31, 2019 and 2018, respectively	2	1
Additional paid-in capital	152,024	144,965
Accumulated deficit	(144,416)	(138,934)
Total stockholders’ equity	7,610	6,032
Total liabilities and stockholders’ equity	$ 8,536	$ 6,825

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.