Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Income Statement [Abstract]
Revenue	$ 244	$ 460	$ 537	$ 1,137
Operating expenses
Cost of revenue	237	532	487	1,137
General and administrative	449	623	934	1,653
Total operating expenses	686	1,155	1,421	2,790
Operating loss	(442)	(695)	(884)	(1,653)
Other non-operating income (expense)
Interest (expense) income	(29)		(39)	10
Change in fair value of liability		23		38
Change in fair value of derivative liability	35		(33)
Accretion of debt discount	(208)	(456)	(270)	(877)
Loss on settlement of debt	(30)		(30)
Gain (loss) on sale of property and equipment	9	(288)	10	(258)
Total non-operating expense	(223)	(721)	(362)	(1,087)
Net loss attributable to common stockholders	$ (665)	$ (1,416)	$ (1,246)	$ (2,740)
Per-share data
Basic and diluted loss per share	$ (0.00)	$ (0.00)	$ (0.00)	$ (0.01)
Weighted average number of common shares outstanding	537,478,068	460,697,195	533,110,172	442,692,337