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ACCOUNTS RECEIVABLE, CHANGE IN ALLOWANCE FOR DOUBTFUL ACCOUNTS (Details) - USD ($)
12 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2016
Receivables [Abstract]      
Allowance for doubtful accounts $ 51,854 $ 55,872 $ 55,175
Allowance for Doubtful Accounts Receivable, Period Increase (Decrease) $ (4,018) $ 697