Revenue (Tables)

9 Months Ended

Sep. 30, 2023

Revenue from Contract with Customer [Abstract]

Schedule of Disaggregation of Revenue

Total revenue based on the disaggregation criteria described above, as well as revenue by segment, are as follows (in thousands):

	Three Months Ended September 30,
	2023				2022
	Revenue		% of Revenue		Revenue		% of Revenue
Revenue by primary geographical market:
North America	$	16,367	97	%	$	12,440	97	%
Europe and Middle East and other	592		3	%	345		3	%
Total	$	16,959	100	%	$	12,785	100	%
Revenue by timing of recognition:
Recognized at a point in time	$	10,753	63	%	$	6,728	53	%
Recognized over time	6,206		37	%	6,057		47	%
Total	$	16,959	100	%	$	12,785	100	%
Revenue by segment:
Autonomy Solutions	$	11,229	66	%	$	6,777	53	%
ATS	5,730		34	%	6,008		47	%
Total	$	16,959	100	%	$	12,785	100	%

	Nine Months Ended September 30,
	2023				2022
	Revenue		% of Revenue		Revenue		% of Revenue
Revenue by primary geographical market:
North America	$	43,341	91	%	$	26,124	88	%
Asia Pacific	1,022		2	%	2,960		10	%
Europe and Middle East	3,302		7	%	488		2	%
Total	$	47,665	100	%	$	29,572	100	%
Revenue by timing of recognition:
Recognized at a point in time	$	28,043	59	%	$	10,067	34	%
Recognized over time	19,622		41	%	19,505		66	%
Total	$	47,665	100	%	$	29,572	100	%
Revenue by segment:
Autonomy Solutions	$	31,640	66	%	$	16,854	57	%
ATS	16,025		34	%	12,718		43	%
Total	$	47,665	100	%	$	29,572	100	%

Schedule of Opening and Closing Balances of Contract Liabilities and Significant Changes in Contract Liabilities

The opening and closing balances of contract assets were as follows (in thousands):

	September 30, 2023		December 31, 2022
Contract assets, current	$	15,302	$	15,395
Contract assets, non-current	2,081		2,575
Ending balance	$	17,383	$	17,970

The significant changes in contract assets balances consisted of the following (in thousands): 

	September 30, 2023		December 31, 2022
Beginning balance	$	17,970	$	9,907
Amounts billed that were included in the contract assets beginning balance	(8,379)		(4,228)
Revenue recognized for performance obligations that have been satisfied but for which amounts have not been billed	7,792		12,291
Ending balance	$	17,383	$	17,970

The opening and closing balances of contract liabilities were as follows (in thousands):

	September 30, 2023		December 31, 2022
Contract liabilities, current	$	3,019	$	1,993
Contract liabilities, non-current	250		1,015
Ending balance	$	3,269	$	3,008

The significant changes in contract liabilities balances consisted of the following (in thousands): 

	September 30, 2023		December 31, 2022
Beginning balance	$	3,008	$	898
Revenue recognized that was included in the contract liabilities beginning balance	(2,083)		(489)
Increase due to cash received and not recognized as revenue and billings in excess of revenue recognized during the period	2,344		2,599
Ending balance	$	3,269	$	3,008