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Inventories
3 Months Ended
Mar. 31, 2012
Inventories [Abstract]  
Inventories

(5)

Inventories

 

 

 

Inventories consisted of the following (in thousands):


 

 

 

 

 

 

 

 

 

 

March 31,

 

December 31,

 

 

 

2012

 

2011

 

 

 

 

 

 

 

Finished goods and demonstration equipment

 

$

3,035

 

$

2,644

 

Purchased parts and subassemblies

 

 

4,125

 

 

3,554

 

 

 

$

7,160

 

$

6,198