Revenue (Tables)

6 Months Ended

Jun. 30, 2023

Revenue from Contract with Customer [Abstract]

Schedule of Composition of Revenue

The table below shows the composition of revenue from customers, as disaggregated by type of arrangement in accordance with Topic 606, and other revenue from a government grant accounted for using the analogy from International Accounting Standards 20, Accounting for Government Grants and Disclosure of Government Assistance (in thousands).

	Three months ended June 30,				Six months ended June 30,
	2023		2022		2023		2022
Revenue from customers:
Sale of battery products	$	1,292	$	688	$	1,762	$	1,293
Customized design services	287		3		287		1,508
Total revenue from customers	1,579		691		2,049		2,801
Other revenue – government grant	53		—		262		—
Total revenue	$	1,632	$	691	$	2,311	$	2,801