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PREPAID EXPENSE AND OTHER CURRENT ASSETS (Details) - USD ($)
$ in Thousands
Jun. 30, 2020
Dec. 31, 2019
Prepaid Expense and Other Current Assets    
Other receivables $ 3,608 $ 3,712
Prepaid expense 448 633
Deposits 10 7
Inventory, Net 1,355 0
Other current assets 382 271
Total $ 5,803 $ 4,623