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Accrued Expenses - Components of Accrued Expenses (Detail) - USD ($)
Dec. 31, 2020
Dec. 31, 2019
Payables and Accruals [Abstract]    
Compensation and incentives $ 1,136,754 $ 2,821,349
Professional services 243,995 422,130
Deposit 450,000 450,000
Interest 15,800,317 9,494,391
Accrued insurance obligations 355,814 221,504
Other operating 985,056 13,341
Total accrued expenses $ 18,971,936 $ 13,422,715