Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Finite-Lived Intangible Assets

Intangible assets consisted of the following:

(in thousands)	June 30, 2023		December 31, 2022
Patents	$	413	$	404
Less accumulated amortization	(271)		(244)
Total intangible assets	$	142	$	160