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Revenue Recognition and Accounts Receivable - Summary Information for Receivables (Detail) - USD ($)
$ in Thousands
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2014
Receivables [Abstract]      
Patient accounts receivable (net of contractual allowances) $ 7,157 $ 10,449  
Less allowance for doubtful accounts (991) (2,770) $ (4,432)
Patient accounts receivable-net $ 6,166 $ 7,679