Inventories

9 Months Ended

Sep. 30, 2023

Inventories

Inventories

5.Inventories

Inventories as of September 30, 2023 and December 31, 2022 consisted of the following:

	September 30,		December 31,
	2023		2022
	(unaudited)
Raw materials	$	1,234	$	2,251
Work in process		—		979
Finished goods		804		1,330
Total inventories	$	2,038	$	4,560

During the nine months ended September 30, 2023, $124 of inventories were written down to reflect the lower of cost or net realizable value. During the nine months ended September 30, 2022, no inventories were written down to reflect the lower of cost or net realizable value.