Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Income Statement [Abstract]
Revenue	$ 293	$ 677
Operating expenses
Cost of revenue	250	605
General and administrative	485	1,030
Total operating expenses	735	1,635
Operating loss	(442)	(958)
Other non-operating income (expense)
Interest (expense) income	(11)	10
Change in fair value of liability		15
Change in fair value of derivative liability	(67)
Accretion of debt discount	(62)	(421)
Gain (loss) on sale of property and equipment	1	30
Total non-operating expense	(139)	(366)
Net loss	(581)	(1,324)
Net loss attributable to common stockholders	$ (581)	$ (1,324)
Per-share data
Basic and diluted loss per share	$ (0.00)	$ (0.00)
Weighted average number of common shares outstanding	528,684,542	425,051,549