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Selected Consolidated Financial Statement Information (Other Liabilities) (Details) - USD ($)
$ in Thousands
Jun. 30, 2018
Jun. 30, 2017
Quarterly Financial Information Disclosure [Abstract]    
Legal settlement $ 467 $ 2,314
Deferred compensation 395 519
Deferred grant incentive 460 473
Other liabilities 90 173
Total Other liabilities $ 1,412 $ 3,479