XML 39 R29.htm IDEA: XBRL DOCUMENT v2.4.0.8
Inventories (Tables)
 12 Months Ended
Dec. 31, 2013
Inventory Disclosure [Abstract]  
Schedule of inventories
Inventories consisted of the following:
 
December 31,
 
2013
 
2012
 
(in thousands)
Finished goods
$
8,849

 
$
5,234

Raw materials and precious metals
8,546

 
7,038

Parts and supplies
15,669

 
16,677

 
$
33,064

 
$
28,949