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CASH, CASH EQUIVALENTS AND RESTRICTED CASH (Details) - USD ($)
Sep. 30, 2018
Jun. 30, 2018
Sep. 30, 2017
Jun. 30, 2017
Cash and Cash Equivalents [Line Items]        
Cash and cash equivalents $ 10,001,000 $ 8,053,000 $ 2,813,000  
Restricted cash 10,376,000   7,851,000  
Total cash, cash equivalents, and restricted cash $ 20,377,000 $ 17,511,000 $ 10,664,000 $ 10,273,000