Revenue (Tables)

6 Months Ended

Jun. 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 June 30,
	2023				2022
	Revenue		% of Revenue		Revenue		% of Revenue
Revenue by primary geographical market:
North America	$	13,776	85	%	$	8,716	88	%
Asia Pacific	393		2	%	932		9	%
Europe and Middle East	2,028		13	%	284		3	%
Total	$	16,197	100	%	$	9,932	100	%
Revenue by timing of recognition:
Recognized at a point in time	$	9,932	61	%	$	1,798	18	%
Recognized over time	6,265		39	%	8,134		82	%
Total	$	16,197	100	%	$	9,932	100	%
Revenue by segment:
Autonomy Solutions	$	9,738	60	%	$	4,179	42	%
ATS	6,459		40	%	5,753		58	%
Total	$	16,197	100	%	$	9,932	100	%

	Six Months Ended June 30,
	2023				2022
	Revenue		% of Revenue		Revenue		% of Revenue
Revenue by primary geographical market:
North America	$	26,974	88	%	$	13,684	81	%
Asia Pacific	985		3	%	2,792		17	%
Europe and Middle East	2,747		9	%	311		2	%
Total	$	30,706	100	%	$	16,787	100	%
Revenue by timing of recognition:
Recognized at a point in time	$	17,290	56	%	$	3,339	20	%
Recognized over time	13,416		44	%	13,448		80	%
Total	$	30,706	100	%	$	16,787	100	%
Revenue by segment:
Autonomy Solutions	$	20,411	66	%	$	10,077	60	%
ATS	10,295		34	%	6,710		40	%
Total	$	30,706	100	%	$	16,787	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):

	June 30, 2023		December 31, 2022
Contract assets, current	$	8,038	$	15,395
Contract assets, non-current	7,513		2,575
Ending balance	$	15,551	$	17,970

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

	June 30, 2023		December 31, 2022
Beginning balance	$	17,970	$	9,907
Amounts billed that were included in the contract assets beginning balance	(8,373)		(4,228)
Revenue recognized for performance obligations that have been satisfied but for which amounts have not been billed	5,954		12,291
Ending balance	$	15,551	$	17,970

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

	June 30, 2023		December 31, 2022
Contract liabilities, current	$	4,143	$	1,993
Contract liabilities, non-current	—		1,015
Ending balance	$	4,143	$	3,008

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

	June 30, 2023		December 31, 2022
Beginning balance	$	3,008	$	898
Revenue recognized that was included in the contract liabilities beginning balance	(1,615)		(489)
Increase due to cash received and not recognized as revenue and billings in excess of revenue recognized during the period	2,750		2,599
Ending balance	$	4,143	$	3,008