Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Finite-Lived Intangible Assets

Intangible assets consisted of the following:

(in thousands)	December 31, 2022		December 31, 2021
Patents	$	404	$	432
Less accumulated amortization	(244)		(217)
Total intangible assets	$	160	$	215