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Long-term Debt and Capital Lease Obligations - Schedule of Long-term Debt (Detail) - USD ($)
Dec. 31, 2018
Dec. 31, 2017
Long-term Debt, Current and Noncurrent [Abstract]    
Note payable to lender $ 5,817,308 $ 6,169,872
Revolving line of credit 700,000
Less unamortized finance costs (29,354) (53,916)
Less current portion (352,560) (1,052,560)
Net Long-term debt $ 5,435,394 $ 5,763,396