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Severance, Impairment And Other Charges (Summary Of Severance, Impairment And Other Charges) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended 33 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Mar. 31, 2019
Mar. 31, 2018
Mar. 31, 2019
Severance Impairment And Other Charges [Abstract]          
Severance and Related Costs     $ 0 $ (13)  
Court Award     (609) 675  
Impairment       (42) $ 127
Inventory write-off   $ (3)   (17) $ 290
Total $ 0 $ (3) $ (609) $ 603