Inventory

12 Months Ended

Dec. 31, 2019

Inventory Disclosure [Abstract]

Inventory

Inventory

As of December 31, 2019 and 2018, inventory is comprised of the following:

		As of December 31,
		2019		2018
	(In thousands)
Raw Materials		$	22,578	$	20,940
Work in-progress		4,239		2,348
		$	26,817	$	23,288

For the year ended December 31, 2019, the Company wrote down $0.3 million and there were no write downs of inventory to net realizable value for the years ended December 31, 2018 and 2017.