Annual report pursuant to Section 13 and 15(d)

Inventories Schedule Of Inventories (Details)

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Inventories Schedule Of Inventories (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Inventory Disclosure [Abstract]    
Finished goods and demonstration equipment $ 1,605 $ 2,677
Purchased parts and subassemblies 2,497 3,359
Total inventories 4,102 6,036
Consignment inventory $ 308 $ 313