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OTHER ASSETS (Tables)
3 Months Ended
Mar. 31, 2021
Other Assets [Abstract]  
Schedule of other assets

Other assets are summarized below:

 

    March 31,     December 31,
    2021     2020
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