Inventory (Tables)

12 Months Ended

Dec. 31, 2017

Inventory Disclosure [Abstract]

Schedule of Inventory

Inventory, net consists of:

	December 31,
(Dollars in thousands)	2017		2016
Raw materials	$	1,368	$	1,117
Work in process	1,972		1,434
Finished goods	4,765		6,833
Total	$	8,105	$	9,384