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Revenue Recognition - Disaggregation of revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Revenue	$ 25,300	$ 7,700
Charging Revenue Retail [Member]
Revenue	6,615	3,502
Charging Revenue OEM [Member]
Revenue	552	151
Charging Revenue Commercial [Member]
Revenue	1,715	709
Network Revenue OEM [Member]
Revenue	2,699	490
Ancillary Revenue.
Revenue	2,212	1,390
Regulatory Credit Sales [Member]
Revenue	1,215	1,378
eXtend [Member]
Revenue	$ 10,292	$ 80

X

- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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