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Loans Payable - Note 10 - Payroll Protection Program - Additional Information (Detail) - USD ($)		3 Months Ended		9 Months Ended
	Apr. 16, 2020	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Jul. 01, 2021	Dec. 31, 2020	Oct. 01, 2016
Debt instrument face amount								$ 3,000,000.0
Percent of loan that will forgiven						100.00%
Interest Expense		$ 2,866,959	$ 1,858,456	$ 7,876,688	$ 4,755,771
Cares Act Loan [Member]
Debt instrument face amount	$ 370,400	0		0			$ 370,400
Debt instrument maturity period	2 years
Debt instrument maturity date	Apr. 16, 2022
Debt instrument interest rate	0.98%
Interest Expense		$ 0	$ 936	$ 1,788	$ 1,708

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