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10. Intangible Assets, net (Details - Future Amortization) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Goodwill and Intangible Assets Disclosure [Abstract]    
2021 $ 884  
2022 884  
2023 882  
2024 879  
2025 529  
Intangible assets, Net $ 4,058 $ 1,528