CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Current assets
Cash	$ 8	$ 50
Prepaid expenses and other assets	144	370
Total current assets	152	420
Total assets	152	420
Current liabilities
Accounts payable	2,200	1,403
Due to related party	4	4
Accrued expenses	1,571	1,005
Accrued dividends	3,331	2,565
Notes payable	6,143	5,330
Total current liabilities	13,249	10,307
Total liabilities	13,249	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 June 30, 2020 and December 31, 2019	65	65
Additional paid-in capital	29,674	29,375
Accumulated deficit	(42,836)	(39,327)
Total stockholders’ deficit	(13,097)	(9,887)
Total liabilities and stockholders’ deficit	152	420
Series C convertible preferred stock
Stockholders’ deficit
Preferred stock	0	0
Series D convertible preferred stock
Stockholders’ deficit
Preferred stock	0	0
Series E convertible preferred stock
Stockholders’ deficit
Preferred stock	0	0
Series F Convertible preferred stock
Stockholders’ deficit
Preferred stock	$ 0	$ 0