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Notes Payable (Tables)
 12 Months Ended
Dec. 31, 2020
Debt Disclosure [Abstract]  
Future Maturities of the CRG Obligation
The following table represents future maturities of the notes payable obligation as of December 31, 2020:
2021$— 
202218,462 
202324,615 
202424,615 
202512,308 
Total maturities$80,000 
Unamortized discount and loan costs(1,548)
Total notes payable obligation$78,452