Revenue

12 Months Ended

Dec. 31, 2022

Revenue from Contract with Customer [Abstract]

Revenue

RevenueThe following table summarizes the Company's revenues disaggregated by revenue source, geography (based on the Company's business locations), and timing of revenue recognition (in thousands):

	Year Ended
	December 31, 2022		December 31, 2021		December 31, 2020
Geographic Markets
North America	$	51,580	$	84,303	$	1,631
Asia	40,511		29,777		25,128
Europe	8,845		—		—
Total	$	100,936	$	114,080	$	26,759
Product or Service
Digital advertising services and other	$	—	$	231	$	1,631
Title and escrow services	32,223		72,686		—
Electric vehicle products	51,178		31,123		19,462
Electric vehicle services	250		204		—
Electric motorcycle products and services	10,469		—		—
Electric motorcycle sponsorship services	1,040		—		—
Combustion engine vehicles	—		—		5,160
Charging, battery and powertrain products	3,880		5,886		506
Charging, battery and powertrain services	1,482		2,645		—
Other	414		1,305		—
Total	$	100,936	$	114,080	$	26,759

The following table provides information about client receivables, contract liabilities and contract assets from contracts with customers:

	Year ended
Balances from contracts with customers:	December 31, 2022		December 31, 2021
Accounts receivable, net	$	5,855	$	3,338
Deferred revenue	2,749		5,392
Contract assets	3,579		2,772

In the years ended December 31, 2022 and 2021, the Company recorded grant revenue of $0.3 million and $1.3 million in "Other revenue" in the consolidated statements of operations. There was no grant revenue for the year ended December 31, 2020.

For the years ended December 31, 2022 and 2021, the Company recorded a contract assets of $3.6 million and $2.2 million, respectively, for WAVE. This increase is primarily due to the inability to invoice all projects prior to resolving government billing requirements. The Company expects to resolve these billing issues and invoice for the outstanding contract assets of $3.6 million in the year ending December 31, 2023, and at that time will reclassify the contract assets to accounts receivable, net.

The following table reflects the Company’s deferred revenue balance as of December 31, 2022 and 2021 (in thousands):

	Year ended
Deferred revenue from contracts with customers:	December 31, 2022		December 31, 2021
Beginning balance	$	5,392	$	2,879
Revenue recognized, included in beginning balance	(3,975)		(650)
Additions, net of revenue recognized during period, and other	1,332		3,163
Ending Balance	$	2,749	$	5,392

In the years ended December 31, 2022, 2021, and 2020, the Company recognized revenue of $4.0 million, $0.7 million, and $0.5 million, respectively, recorded in deferred revenue as of the beginning of the period.