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Inventories
12 Months Ended
Dec. 31, 2011
Inventories [Abstract]  
Inventories

7) Inventories

Inventories consisted of the following (in thousands):

 

 

 

 

 

 

 

 

 

 

December 31,

 

 

 

2011

 

2010

 

 

 

 

 

 

 

 

 

Finished goods and demonstration equipment

 

$

2,644

 

$

1,521

 

Purchased parts and subassemblies

 

 

3,554

 

 

2,981

 

 

 

$

6,198

 

$

4,502