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Loan and Security Agreement - Schedule of Principal Payments (Details) - USD ($)
Jun. 30, 2020
Dec. 31, 2019
Debt Disclosure [Abstract]    
2020 $ 2,666,667  
2021 8,000,000  
2022 8,000,000  
2023 1,333,333  
Total principal payments outstanding $ 20,000,000 $ 20,000,000