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DEPOSITS (Schedule of Interest Expense by Deposit Category) (Details) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2016
Deposits [Abstract]      
Interest-earning checking $ 4 $ 4 $ 4
Savings accounts 17 20 22
Money market accounts 20 21 22
Savings certificates 365 200 162
Total $ 406 $ 245 $ 210