Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Income Statement [Abstract]
Revenue	$ 244	$ 153	$ 781	$ 1,290
Operating expenses
Cost of revenue	264	339	751	1,476
General and administrative	313	390	1,247	2,043
Total operating expenses	577	729	1,998	3,519
Operating loss	(333)	(576)	(1,217)	(2,229)
Other non-operating income (expense)
Interest (expense) income	(302)		(341)	10
Change in fair value of liability		(12)		26
Change in fair value of warrant derivative liability	451		451
Change in fair value of derivative liability	(46)		(79)
Accretion of debt discount	(256)	0	(526)	(877)
Other income (expense)	(306)	119	(306)	119
Gain on settlement of payables	675		675
Loss on settlement of debt	(511)		(541)
Gain (loss) on sale of property and equipment	254	(123)	264	(381)
Total non-operating expense	(41)	(16)	(403)	(1,103)
Net loss attributable to common stockholders	$ (374)	$ (592)	$ (1,620)	$ (3,332)
Per-share data
Basic and diluted loss per share	$ (0.00)	$ (0.00)	$ (0.00)	$ (0.01)
Weighted average number of common shares outstanding	573,543,149	501,742,305	546,853,635	462,662,998