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Loan and Security Agreement - Schedule of Outstanding Debt and Unamortized Debt Discount Balances (Details) - USD ($)
Dec. 31, 2021
Dec. 31, 2020
Debt Disclosure [Abstract]    
Outstanding principal amount $ 50,000,000 $ 50,000,000
Add: accreted liability of final payment fee 706,407 151,912
Less: unamortized debt discount, long term (1,616,885) (1,830,064)
Loan payable, long-term $ 49,089,522 $ 48,321,848