Income Taxes - Summary of Income Tax Provision (Benefit) (Details) - USD ($)	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Federal: Current
Federal: Deferred	(1,385,438)	13,026,739
State and local: Current
State and local: Deferred	(338,773)	1,724,127
Current income tax expense (benefit)	(1,724,211)	14,750,866
Change in valuation allowance	1,724,211	(14,750,866)
Income tax provision (benefit)

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

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Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.

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Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.

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Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.

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Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.

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