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Selected Consolidated Financial Statement Information (Accounts Receivable, Net) (Details) - USD ($)
$ in Thousands
Jun. 30, 2017
Jun. 30, 2016
Quarterly Financial Information Disclosure [Abstract]    
Accounts receivable $ 29,336 $ 23,840
Less: Allowance for doubtful accounts (864) (712)
Accounts receivable, net $ 28,472 $ 23,128