Inventory, net

12 Months Ended

Dec. 31, 2022

Inventory, net

Inventory, net

5. Inventory, net

Inventories consist of the following:

	December 31, 2022		December 31, 2021
Raw materials	$	1,918	$	927
Work-in-process		499		1,657
		2,417		2,584
Less Inventory Reserve for Obsolescence		(34)		—
Total	$	2,383	$	2,584

As of December 31, 2022 and December 31, 2021, inventory balances include inventory costs subsequent to regulatory approval of KORSUVA injection on August 23, 2021. During the year ended December 31, 2022, the Company wrote down $34 of commercial supply inventory due to obsolescence. There were no write-downs of commercial supply inventory during the year ended December 31, 2021.