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Intangible Assets, net (Details - Future Amortization) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]    
2021 $ 935  
2022 935  
2023 935  
2024 628  
2025 0  
Intangible assets, Net $ 3,433 $ 4,058