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2. LEASES (Details - Minimum lease payments) - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
Leases [Abstract]    
Future minimum lease payment 2021 $ 1,387  
Future minimum lease payment 2022 1,403  
Future minimum lease payment 2023 943  
Future minimum lease payment thereafter 0  
Total lease payments 3,733  
Less: interest (252)  
Present value of lease liabilities $ 3,481 $ 4,361