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Inventory
9 Months Ended
Sep. 30, 2011
Inventory [Abstract] 
Inventory Disclosure [Text Block]
Inventory

Our inventory, net of allowance for obsolescence of $883,000 at September 30, 2011 and $250,000 at December 31, 2010, consisted of the following amounts:
 
September 30, 2011
 
December 31, 2010
 
(in thousands)
Raw materials
$
20,597

 
$
17,770

Work in process
3,272

 
3,719

 
$
23,869

 
$
21,489


During the nine months ended September 30, 2011, there was no write off of obsolete inventory against the allowance for obsolescence.