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INCOME TAXES (Accrual for unrecognized tax benefits) (Details) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]    
Beginning balance $ 524 $ 490
Additions based on federal tax positions related to the current year 30 15
Additions based on state tax positions related to the current year 20 13
Additions for tax positions of prior years 6 55
Reductions due to lapses in statutes of limitation (30) (49)
Ending balance $ 550 $ 524