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Derivatives and Fair Value Disclosures - Schedule of Derivative Instruments, Gain (Loss) (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Derivative Instruments, Gain (Loss) [Line Items]
Total loss on derivatives			$ (298)
Total loss on derivatives	$ (11,982)	$ (403,943)	(766,898)
Interest Rate Swap [Member] | Loss On Derivatives [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Interest Rate Swap - Change in Fair Value			297,656
Interest Rate Swap - Realized loss			(297,954)
Interest Rate Swap [Member] | Loss On Derivatives [Member] | Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Interest Rate Swap - Loss reclassified from OCI (Effective portion)	$ (11,982)	$ (403,943)	$ (766,898)

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Derivative instruments designated as hedging instruments gain loss net.

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Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

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The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

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Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.

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The difference between the book value and the sale price of options, swaps, futures, forward contracts, and other derivative instruments. This element refers to the gain (loss) included in earnings.

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