Inventories

12 Months Ended

Dec. 31, 2019

Inventory Disclosure [Abstract]

Inventories

(5) Inventories

Inventories consist of:

(in thousands)	December 31, 2019		December 31, 2018
Raw materials	$	375	$	358
Work-in-process		279		500
Finished goods		—		—
Total Inventory	$	654	$	858