Intangible Assets

12 Months Ended

Dec. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets

Intangible Assets

Our intangible assets consist of the following:

	December 31,
	2019		2018
	(in thousands)
Intellectual property	$	700	$	700
Less:  Accumulated amortization	(428)		(194)
Total, net	$	272	$	506

Amortization expense recorded in cost of sales is as follows:

	Years Ended December 31,
	2019		2018		2017
	(in thousands)
Amortization expense	$	234	$	194	$	—