Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 2,499	$ 3,806
Restricted cash	30	30
Prepaid expenses and other current assets	1,230	530
Total current assets	3,759	4,366
Property and equipment, net	42	63
Right-of-use operating lease, net of amortization	386
Total assets	4,187	4,429
Current liabilities:
Accounts payable	636	1,050
Accrued expenses	1,353	1,645
Short term debt to related party, net of discount	5,000	4,960
Derivative liabilities	10	51
Short term lease liabilities	169
Total current liabilities	7,168	7,706
Long term debt to related party, net of discount		168
Long term lease liabilities	217
Total liabilities	7,385	7,874
Commitments and contingencies (Note 10)
Stockholders’ deficit:
Common stock, $0.01 par value – 75,000,000 and 50,000,000 shares authorized at December 31, 2019 and 2018, respectively; 36,598,291 and 19,277,545 shares issued and outstanding at December 31, 2019 and 2018, respectively	366	193
Additional paid-in capital	280,928	263,521
Accumulated deficit	(284,492)	(267,159)
Total stockholders’ deficit	(3,198)	(3,445)
Total liabilities and stockholders’ deficit	$ 4,187	$ 4,429