Quarterly report pursuant to Section 13 or 15(d)

Accrued Expenses (Schedule of Accrued Expenses and Other Liabilities) (Details)

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Accrued Expenses (Schedule of Accrued Expenses and Other Liabilities) (Details) - USD ($)
Sep. 30, 2019
Dec. 31, 2018
Accrued Liabilities, Current [Abstract]    
Compensation and related benefits $ 130,920 $ 628,147
Other accrued operating expenses 1,150,991 1,049,904
Accrued expenses $ 1,281,911 $ 1,678,051