Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets
Cash	$ 849	$ 76
Prepaid expenses	127	120
Total current assets	976	196
Total assets	976	196
Current liabilities
Accounts payable	2,339	2,309
Due to related parties	46	46
Accrued expenses	3,697	3,110
Accrued dividends	445	5,477
Term loans	6,307	5,677
Convertible notes payable, net	1,039	986
Derivative liability	7,098	7,697
Total current liabilities	20,971	25,302
Total liabilities	20,971	25,302
Commitments and contingencies (Note 9)
Stockholders’ deficit
Preferred stock
Common stock, $0.006 par value; 180,000,000 shares authorized, 63,127,450 and 16,998,836 shares issued and outstanding as of June 30, 2022 and December 31, 2021, respectively	379	102
Additional paid-in capital	33,186	27,809
Accumulated deficit	(53,558)	(53,017)
Treasury stock (119,541 shares)	(2)
Total stockholders’ deficit	(19,995)	(25,106)
Total liabilities and stockholders’ deficit	976	196
Series C Convertiable Preferred Stock [Member]
Stockholders’ deficit
Preferred stock
Series D Convertiable Preferred Stock [Member]
Stockholders’ deficit
Preferred stock
Series E Convertiable Preferred Stock [Member]
Stockholders’ deficit
Preferred stock
Series F Convertiable Preferred Stock [Member]
Stockholders’ deficit
Preferred stock
Series G Convertiable Preferred Stock [Member]
Stockholders’ deficit
Preferred stock