Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets

Our intangible assets consist of the following:

	March 31, 2019			December 31, 2018
	(in thousands)
Intellectual property	$	700		$	700
Less: Accumulated amortization	(253		)	(194		)
Total, net	$	447		$	506

Schedule of Amortization Expense

Amortization expense recorded in cost of sales is as follows:

	Three months ended
	March 31, 2019		March 31, 2018
	(in thousands)
Amortization expense	$	59	$	—