Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Current assets
Cash and cash equivalents	$ 6	$ 216
Prepaid expenses and other current assets	62	125
Intangible digital assets	2	18
Total current assets	70	359
Non-current assets
Property and equipment, at cost, net	2,365	3,536
Right of use asset, operating lease, net of accumulated amortization	61	78
Other assets	123	321
Total assets	2,619	4,294
Current liabilities
Accounts payable	1,252	795
Accrued expenses and other payables	148	26
Note payable, net of discount		52
Management agreement termination liability		116
Operating lease liability	22	19
Total current liabilities	1,422	1,008
Non-current liabilities
SBA PPP Note	111
Operating lease liability	39	59
Total liabilities	1,572	1,067
Commitments and Contingencies (Note 9)
Stockholders' Equity
Common stock, $0.001 par value; 2,500,000,000 shares authorized; 506,779,781 and 413,701,289 shares issued and outstanding at September 30, 2020 and December 31, 2019, respectively.	507	414
Additional paid-in capital	418,374	417,315
Accumulated deficit	(417,834)	(414,502)
Total stockholders' equity	1,047	3,227
Total Liabilities and Stockholders' Equity	2,619	4,294
Undesignated Preferred Stock [Member]
Stockholders' Equity
Preferred stock, value
Series B Preferred Stock [Member]
Stockholders' Equity
Preferred stock, value
Series C Convertible Preferred Stock [Member]
Stockholders' Equity
Preferred stock, value