Intangible Assets

3 Months Ended

Mar. 31, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets

(6) Intangible Assets

The following table sets forth information regarding intangible assets (in thousands):

	March 31, 2022			December 31, 2021
Patents	$	847		$	847
Accumulated amortization		(461	)		(447	)
Intangible assets, net	$	386		$	400