Revenue - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Disaggregation of Revenue [Line Items]
Total revenue	$ 15,459	$ 19,015
Electric vehicle products
Disaggregation of Revenue [Line Items]
Total revenue	3,328	4,830
Electric vehicle services
Disaggregation of Revenue [Line Items]
Total revenue	72	0
Electric motorcycle products and services
Disaggregation of Revenue [Line Items]
Total revenue	7,590	10,435
Electric motorcycle sponsorship services
Disaggregation of Revenue [Line Items]
Total revenue	743	1,075
Charging, battery and powertrain products
Disaggregation of Revenue [Line Items]
Total revenue	2,932	849
Charging, battery and powertrain services
Disaggregation of Revenue [Line Items]
Total revenue	30	1,482
Other revenue
Disaggregation of Revenue [Line Items]
Total revenue	764	344
North America
Disaggregation of Revenue [Line Items]
Total revenue	9,574	7,497
Europe
Disaggregation of Revenue [Line Items]
Total revenue	$ 5,885	$ 11,518