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Stockholders' Equity - Schedule of Changes in Stockholders Equity (Detail) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Beginning balance	$ 253,307,219	$ 257,061,115	$ 267,101,820	$ 284,471,958
Issuance of common stock		2,540,425		2,540,425
Stock-based compensation	251,338	228,968	1,174,338	694,671
Acquisition of noncontrolling interest			(4,490,130)	0
Purchase of treasury stock	(4,800)	(2,493)	(812,173)	(34,412)
Net loss	(1,620,323)	(2,724,774)	(12,117,270)	(29,838,734)
Elimination of noncontrolling interest			1,076,849
Cash dividends				(1,398,321)
Noncontrolling interest created in consolidation				667,654
Ending balance	$ 251,933,434	$ 257,103,241	$ 251,933,434	$ 257,103,241

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