CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Current assets
Cash	$ 65	$ 50
Prepaid expenses and other assets	250	370
Total current assets	315	420
Total assets	315	420
Current liabilities
Accounts payable	2,123	1,403
Due to related party	4	4
Accrued expenses	1,278	1,005
Accrued dividends	2,948	2,565
Notes payable	5,795	5,330
Total current liabilities	12,148	10,307
Total liabilities	12,148	10,307
Commitments and contingencies (Note 8)
Stockholders’ deficit
Common stock, $0.006 par value; 180,000,000 shares authorized, 10,869,530 shares issued and outstanding as of March 31, 2020 and December 31, 2019	65	65
Additional paid-in capital	29,650	29,375
Accumulated deficit	(41,548)	(39,327)
Total stockholders’ deficit	(11,833)	(9,887)
Total liabilities and stockholders’ deficit	315	420
Series C convertible preferred stock
Stockholders’ deficit
Preferred stock, $0.01 par value; 100,000 shares authorized	0	0
Series D convertible preferred stock
Stockholders’ deficit
Preferred stock, $0.01 par value; 100,000 shares authorized	0	0
Series E convertible preferred stock
Stockholders’ deficit
Preferred stock, $0.01 par value; 100,000 shares authorized	0	0
Series F Convertible preferred stock
Stockholders’ deficit
Preferred stock, $0.01 par value; 100,000 shares authorized	$ 0	$ 0