XML 81 R38.htm IDEA: XBRL DOCUMENT v3.8.0.1
Inventories (Tables)
 12 Months Ended
Dec. 31, 2017
Inventory Disclosure [Abstract]  
Components of Inventories

The components of inventories consisted of the following:

 

 

 

December 31,

 

(in thousands)

 

2017

 

 

2016

 

Raw materials

 

$

17,550

 

 

$

16,846

 

Work in process

 

 

12,822

 

 

 

14,574

 

Inventories

 

$

30,372

 

 

$

31,420