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Income Taxes - Schedule of Income Tax Expense (Benefit), Federal Statutory Rate (Detail) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Income Tax Disclosure [Abstract]    
Expected tax expense (benefit) $ (5,018,846) $ 4,166,309
State income taxes, net of federal benefit (878,034) 4,263,192
Tax rate adjustments (109,421) 290,381
Change in valuation allowance (3,074) (3,450,458)
Non-deductible items 535,080 1,055,121
Other 288,303 273,206
Income Tax Expense (Benefit) $ (5,185,992) $ 6,597,751