Segment Information - Reconciliation of Segment Operating Income (Details) - USD ($)	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Reconciliation Of Segment Operating Income Details [Abstract]
Operating income	$ 8,429,348	$ 7,456,906
Interest expense, net	1,788,512	1,858,224
Other expense	(97,672)	(67,458)
Consolidated income before taxes	$ 6,543,164	$ 5,531,224

Reconciliation Of Segment Operating Income

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Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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The net amount of operating interest income (expense).

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The net result for the period of deducting operating expenses from operating revenues.

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Amount of income (expense) related to nonoperating activities, classified as other.

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