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OTHER ASSETS (Details) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Other Assets [Abstract]    
Right of use assets $ 1,267 $ 1,505
Notes receivable, net 5,457 5,350
Deposits 15 15
Other long-term receivables   28
Other assets $ 6,739 $ 6,898