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OTHER LONG-TERM ASSETS (Details) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2016
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]      
Deferred loan costs, net $ 506 $ 1,051  
FFF call right 610 4,655  
Other 2,875 4,565  
Total other long-term assets 3,991 10,271  
Amortization expense on deferred loan costs $ 500 $ 500 $ 500