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BASIS OF PRESENTATION - Schedule of Cash, Cash Equivalents and Restricted Cash (Details) - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
Sep. 30, 2019
BASIS OF PRESENTATION      
Cash and cash equivalents $ 5,480 $ 1,870 $ 716
Restricted cash included in assets held for sale (Note 8) 3,000   3,000
Restricted cash not included in assets held for sale 807   784
Cash, cash equivalents and restricted cash shown in the statement of cash flows $ 9,287   $ 4,500