Investments - Schedule Of Long Term Investments (Detail) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Longterm Investments [Line Items]
Beginning balance			$ 14,068,821	$ 40,933,283	$ 40,933,283
Additions			25,000
Fair value adjustment	$ 8,134,213	$ (1,196,676)	8,117,178	(932,983)	(5,459,462)
Applied to consideration in business combination					(21,405,000)
Ending balance	22,210,999		22,210,999		14,068,821
Convertible Debt Securities [member]
Longterm Investments [Line Items]
Beginning balance			7,533,000	30,336,000	30,336,000
Conversion of notes receivable			(7,533,000)
Fair value adjustment					(1,398,000)
Applied to consideration in business combination					(21,405,000)
Ending balance					7,533,000
Equity Securities [member]
Longterm Investments [Line Items]
Beginning balance			6,535,821	$ 10,597,283	10,597,283
Additions			25,000
Conversion of notes receivable			7,533,000
Fair value adjustment			8,117,178		(4,061,462)
Ending balance	$ 22,210,999		$ 22,210,999		$ 6,535,821