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Selected Consolidated Financial Statement Information - Other Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2017
Jun. 30, 2017
Other Liabilities    
Legal settlement $ 1,395 $ 2,314
Deferred compensation 440 519
Deferred Grant Incentive 467 473
Other non-current liabilities 318 173
Other liabilities $ 2,620 $ 3,479