Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Disaggregation of Revenue [Line Items]
Total	$ 10,620	$ 3,104	$ 15,690	$ 44,504
Malaysia
Disaggregation of Revenue [Line Items]
Total	33		42
China
Disaggregation of Revenue [Line Items]
Total	10,107	2,854	14,740	2,854
Geographic Markets
Disaggregation of Revenue [Line Items]
Total	10,620	3,104	15,690	44,504
Geographic Markets | USA
Disaggregation of Revenue [Line Items]
Total	480	250	908	41,650
Segments
Disaggregation of Revenue [Line Items]
Total	10,620	3,104	15,690	44,504
Segments | Digital asset management services
Disaggregation of Revenue [Line Items]
Total				40,700
Segments | Digital advertising services and other [Member]
Disaggregation of Revenue [Line Items]
Total	480	250	908	950
Segments | Electric Vehicles [Member]
Disaggregation of Revenue [Line Items]
Total	8,872	2,854	9,622	2,854
Segments | Combustion engine vehicles [Member]
Disaggregation of Revenue [Line Items]
Total	1,268		5,160
Timing of Revenue Recognition [Member]
Disaggregation of Revenue [Line Items]
Total	10,620	3,104	15,690	44,504
Timing of Revenue Recognition [Member] | Products and services transferred at a point in time [Member]
Disaggregation of Revenue [Line Items]
Total	$ 10,620	$ 3,104	$ 15,690	3,804
Timing of Revenue Recognition [Member] | Services provided over time [Member]
Disaggregation of Revenue [Line Items]
Total				$ 40,700