XML 17 R42.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
RESTRICTED CASH (Details) - Restrictions on Cash and Cash Equivalents - USD ($)
$ in Thousands
Dec. 31, 2019
Jun. 30, 2019
Dec. 31, 2018
Jun. 30, 2018
Restrictions on Cash and Cash Equivalents [Abstract]        
Cash and cash equivalents $ 1,796 $ 1,466    
Restricted cash 1,025 1,025    
Total cash, cash equivalents, and restricted cash $ 2,821 $ 2,491 $ 4,863 $ 5,766