Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Current assets
Cash		$ 50
Prepaid expenses and other assets	54	370
Total current assets	54	420
Total assets	54	420
Current liabilities
Accounts payable	2,253	1,403
Due to related party	4	4
Accrued expenses	1,851	1,005
Accrued dividends	3,718	2,565
Notes payable	6,254	5,330
Total current liabilities	14,080	10,307
Total liabilities	14,080	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 September 30, 2020 and December 31, 2019	65	65
Additional paid-in capital	29,672	29,375
Accumulated deficit	(43,763)	(39,327)
Total stockholders’ deficit	(14,026)	(9,887)
Total liabilities and stockholders’ deficit	54	420
Series C Convertible Preferred Stock [Member]
Stockholders’ deficit
Preferred stock	0	0
Series D Convertible Preferred Stock [Member]
Stockholders’ deficit
Preferred stock	0	0
Series E Convertible Preferred Stock [Member]
Stockholders’ deficit
Preferred stock	0	0
Series F Convertible Preferred Stock [Member]
Stockholders’ deficit
Preferred stock	$ 0	$ 0