Inventories

9 Months Ended

12 Months Ended

Sep. 30, 2022

Dec. 31, 2021

Inventory Disclosure [Abstract]

Inventories

4. Inventories

Inventories consisted of the following (in thousands):

	September 30, 2022		December 31, 2021
Raw materials	$	509	$	411
WIP		148		134
Finished goods		92		52
	$	749	$	597

As of September 30, 2022, inventories totaling approximately $0.3 million and $0.4 million were classified as current and long-term, respectively. As of December 31, 2021, inventories totaling approximately $0.3 million and $0.3 million were classified as current and long-term, respectively. Inventories classified as current represent the carrying value of inventories as of September 30, 2022, that management estimates will be sold or used by September 30, 2023.

2. Inventories

The components of inventory were as follows (in thousands):

	As of December 31,
	2021		2020
Raw materials	$	411	$	388
WIP		134		97
Finished goods		52		2
	$	597	$	487