Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Current assets
Cash and cash equivalents	$ 216	$ 96
Prepaid expenses and other current assets	125	193
Intangible digital assets	18	30
Total current assets	359	319
Non-current assets
Property and equipment, at cost, net	3,536
Right of use asset, operating lease, net of accumulated amortization	78
Other assets	321	204
Total assets	4,294	523
Current liabilities
Accounts payable	795	537
Accrued expenses and other payables	26	10
Notes payable, net of discount	52	1,285
Management agreement termination liability	116
Operating lease liability	19
Total current liabilities	1,008	1,832
Non-current liabilities
Operating lease liability	59
Total liabilities	1,067	1,832
Commitments and Contingencies (Note 9)
Stockholders' Equity (Deficit)
Preferred stock value
Common stock, $0.001 par value; 2,500,000,000 shares authorized; 413,701,289 and 111,079,683 shares issued and outstanding at December 31, 2019 and 2018, respectively.	414	111
Additional paid-in capital	417,315	403,299
Accumulated deficit	(414,502)	(404,719)
Total stockholders' equity (deficit)	3,227	(1,309)
Total Liabilities and Stockholders' Equity (Deficit)	4,294	523
Undesignated Preferred Stock [Member]
Stockholders' Equity (Deficit)
Preferred stock value
Series B Preferred Stock [Member]
Stockholders' Equity (Deficit)
Preferred stock value
Series C Convertible Preferred Stock [Member]
Stockholders' Equity (Deficit)
Preferred stock value