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Segment Reporting (Details - Disaggregated Revenue) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Revenues from External Customers and Long-Lived Assets [Line Items]    
Revenues $ 1,441 $ 1,064
UNITED STATES    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Revenues 553 736
CANADA    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Revenues $ 888 $ 328