Quarterly report pursuant to Section 13 or 15(d)

Inventories (Schedule Of Inventories) (Details)

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Inventories (Schedule Of Inventories) (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Inventory Disclosure [Abstract]    
Finished goods and demonstration equipment $ 1,992 $ 1,605
Purchased parts and subassemblies 2,599 2,497
Inventories $ 4,591 $ 4,102