Inventories

12 Months Ended

Dec. 31, 2021

Inventory Disclosure [Abstract]

Inventories

Inventories

Inventories consisted of the following:

	December 31, 2021		December 31, 2020
Raw materials	$	325	$	325
Work in process	6,784		7,120
Finished goods	4,435		10,771
Total inventories, net	$	11,544	$	18,216

A reserve is recorded for potentially excess, dated or obsolete inventory based on an analysis of inventory on hand compared to forecasted future sales, which was $214 and $619 as of December 31, 2021 and 2020, respectively. In 2021, we wrote off $359 of inventory and reduced the reserve for excess, dated or obsolete inventory by $46. In 2020, we wrote off $356 of inventory and increased the reserve for excess, dated or obsolete inventory by $511.