Related Party Transactions - Additional Information (Detail) - USD ($)	3 Months Ended	9 Months Ended
Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Related Party Transactions [Abstract]
Revenue recognized from related party	$ 109,300		$ 176,200	$ 26,000
Due from related party	19,000		19,000		$ 25,900
Charges for services	83,600	$ 95,000	355,200	$ 338,200
Accounts payable and accrued expenses	$ 38,400		$ 38,400		$ 47,800

Amount for accounts payable to related parties.

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