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Significant Accounting Policies (Schedule Of Property, Plant And Equipment) (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Jun. 30, 2011
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Net $ 862 $ 861
Leasehold Improvements, Equipment, Furniture and Vehicles [Member]
   
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Net 284 281
Computer Equipment [Member]
   
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Net 25 30
Control Units, Generators And Scopes [Member]
   
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Net $ 553 $ 550