v2.4.1.9
Inventories
3 Months Ended
Mar. 31, 2015
Inventory Disclosure [Abstract]  
Inventories
(5) Inventories

Inventories consisted of the following:


March 31,
2015
 
December 31,
2014
 
(in thousands)
Finished goods
$
10,064

 
$
12,393

Raw materials and precious metals
9,165

 
9,333

Parts and supplies
14,642

 
13,888

 
$
33,871

 
$
35,614