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2. LEASES (Details - Minimum lease payments) - USD ($)
$ in Thousands
Jun. 30, 2020
Dec. 31, 2019
Leases [Abstract]    
Future minimum lease payment 2021 $ 1,383  
Future minimum lease payment 2022 1,399  
Future minimum lease payment 2023 1,296  
Future minimum lease payment thereafter 0  
Total lease payments 4,078  
Less: interest (304)  
Present value of lease liabilities $ 3,774 $ 4,361