Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets
Cash and cash equivalents	$ 633	$ 1,230
Accounts receivable	306	180
Intangible digital assets	2
Prepaid expenses and other current assets	13	125
Total current assets	954	1,535
Non-current assets
Property and equipment, at cost, net	1,249	1,229
Right of use asset, operating lease, net of accumulated amortization	48	55
Investment	50	50
Other assets	4	3
Total assets	2,305	2,872
Current liabilities
Accounts payable	315	211
Accrued expenses and other payables	10	105
Deferred revenue	54
Security deposit	315	245
Operating lease liability	28	35
Warrant derivative liability	1,366	1,130
Total current liabilities	2,088	1,726
Non-current liabilities
Operating lease liability	18	17
Total liabilities	2,106	1,743
Commitments and Contingencies (Note 9)
Stockholders’ Equity
Common stock, $0.001 par value; 2,500,000,000 shares authorized; 640,970,903 and 606,970,903 shares issued and outstanding at March 31, 2022 and December 31, 2021, respectively.	641	607
Additional paid-in capital	421,004	420,450
Accumulated deficit	(421,446)	(419,928)
Total stockholders’ equity	199	1,129
Total Liabilities and Stockholders’ Equity	2,305	2,872
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