Revenue - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Disaggregation of Revenue [Line Items]
Revenue	$ 12,785	$ 7,978	$ 29,572	$ 19,600
Revenue from contract with customer benchmark | Geographic Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of revenue (as percent)	100.00%	100.00%	100.00%	100.00%
Revenue from contract with customer benchmark | Revenue Recognition Timing Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of revenue (as percent)	100.00%	100.00%	100.00%	100.00%
Revenue from contract with customer benchmark | Segment Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of revenue (as percent)	100.00%	100.00%	100.00%	100.00%
Autonomy Solutions
Disaggregation of Revenue [Line Items]
Revenue	$ 6,777	$ 7,550	$ 16,854	$ 17,708
Autonomy Solutions | Revenue from contract with customer benchmark | Segment Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of revenue (as percent)	53.00%	95.00%	57.00%	90.00%
ATS
Disaggregation of Revenue [Line Items]
Revenue	$ 6,008	$ 428	$ 12,718	$ 1,892
ATS | Revenue from contract with customer benchmark | Segment Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of revenue (as percent)	47.00%	5.00%	43.00%	10.00%
Recognized at a point in time
Disaggregation of Revenue [Line Items]
Revenue	$ 6,728	$ 873	$ 10,067	$ 4,914
Recognized at a point in time | Revenue from contract with customer benchmark | Revenue Recognition Timing Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of revenue (as percent)	53.00%	11.00%	34.00%	25.00%
Recognized over time
Disaggregation of Revenue [Line Items]
Revenue	$ 6,057	$ 7,105	$ 19,505	$ 14,686
Recognized over time | Revenue from contract with customer benchmark | Revenue Recognition Timing Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of revenue (as percent)	47.00%	89.00%	66.00%	75.00%
North America
Disaggregation of Revenue [Line Items]
Revenue	$ 12,440	$ 5,713	$ 26,124	$ 12,313
North America | Revenue from contract with customer benchmark | Geographic Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of revenue (as percent)	97.00%	72.00%	88.00%	63.00%
Asia Pacific
Disaggregation of Revenue [Line Items]
Revenue	$ 168	$ 0	$ 2,960	$ 475
Asia Pacific | Revenue from contract with customer benchmark | Geographic Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of revenue (as percent)	1.00%	0.00%	10.00%	2.00%
Europe and Middle East
Disaggregation of Revenue [Line Items]
Revenue	$ 177	$ 2,265	$ 488	$ 6,812
Europe and Middle East | Revenue from contract with customer benchmark | Geographic Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of revenue (as percent)	2.00%	28.00%	2.00%	35.00%