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Notes Payable - Schedule of Notes Payable (Details) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Debt Instrument [Line Items]    
Notes payable $ 6,291 $ 4,421
Less: current portion (2,124) (1,592)
Notes payable, less current portion 4,167 2,829
Related Parties    
Debt Instrument [Line Items]    
Notes payable 4,085 2,202
Unrelated Third Parties | Purchase of Intangible Asset    
Debt Instrument [Line Items]    
Notes payable 165  
Unrelated Third Parties | Fixed Line    
Debt Instrument [Line Items]    
Notes payable $ 2,041 $ 2,219