Revenue (Tables)

3 Months Ended

Mar. 31, 2022

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 March 31,
	2022				2021
	Revenue		% of Revenue		Revenue		% of Revenue
Revenue by primary geographical market:
North America	$	4,968	73	%	$	2,539	48	%
Asia Pacific	1,860		27	%	321		6	%
Europe and Middle East	27		—	%	2,453		46	%
Total	$	6,855	100	%	$	5,313	100	%
Revenue by timing of recognition:
Recognized at a point in time	$	1,541	22	%	$	2,053	39	%
Recognized over time	5,314		78	%	3,260		61	%
Total	$	6,855	100	%	$	5,313	100	%
Revenue by segment:
Autonomy Solutions	$	5,898	86	%	$	4,336	82	%
Components	957		14	%	977		18	%
Total	$	6,855	100	%	$	5,313	100	%

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

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

	March 31, 2022		December 31, 2021
Beginning balance	$	9,907	$	—
Revenue recognized for performance obligations that have been satisfied but for which amounts have not been billed	4,865		9,907
Ending balance	$	14,772	$	9,907

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

	March 31, 2022		December 31, 2021
Beginning balance	$	898	$	2,284
Revenue recognized that was included in the contract liabilities beginning balance	(250)		(1,792)
Net increase due to cash received and not recognized as revenue and billings in excess of revenue recognized during the period	259		406
Ending balance	$	907	$	898