Inventory (Tables)

3 Months Ended

Mar. 31, 2022

Inventory Disclosure [Abstract]

Schedule of Inventory

Inventory as of March 31, 2022 and December 31, 2021 consisted of the following (in thousands):

	As of March 31, 2022		As of December 31, 2021
Raw materials	$	469	$	463
Work-in-process	483		539
Finished goods	1,251		1,412
Subtotal inventory	2,204		2,414
Inventory obsolescence reserve	(438)		(438)
Total Inventory	$	1,766	$	1,976