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Accrued Expenses - Components of Accrued Expenses (Detail) - USD ($)
Dec. 31, 2019
Dec. 31, 2018
Payables and Accruals [Abstract]    
Compensation and incentives $ 2,821,349 $ 2,567,732
Professional services 422,130 400,367
Deposit 450,000  
Interest 9,494,391 6,508,621
Accrued insurance obligations 221,504 309,826
Other operating 13,341 18,000
Total accrued expenses $ 13,422,715 $ 9,804,546