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RESTRICTED CASH (Details) - Restrictions on Cash and Cash Equivalents - USD ($)
$ in Thousands
Dec. 31, 2020
Jun. 30, 2020
Dec. 31, 2019
Jun. 30, 2019
Restrictions on Cash and Cash Equivalents [Abstract]        
Cash and cash equivalents $ 21,619 $ 1,936    
Restricted cash 1,000 1,025    
Total cash, cash equivalents, and restricted cash $ 22,619 $ 2,961 $ 2,821 $ 2,491