XML 42 R28.htm IDEA: XBRL DOCUMENT v2.4.0.6
Inventories (Tables)
12 Months Ended
Dec. 31, 2012
Inventory Disclosure [Abstract]  
Components of inventory
Inventories consist of the following (in thousands):
 
December 31,
 
2011
 
2012
Purchased parts and materials
$
3,994

 
$
3,051

Finished goods
1,257

 
1,986

Total inventory
$
5,251

 
$
5,037