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Stockholders' Equity - Schedule of Changes in Stockholders Equity (Detail) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Beginning balance	$ 252,739,797	$ 274,378,038	$ 267,101,820	$ 284,471,958
Stock-based compensation	402,199	199,264	923,000	465,703
Acquisition of noncontrolling interest			(4,490,130)	0
Purchase of treasury stock	(22,471)	(16,044)	(807,373)	(31,919)
Net income (loss)	187,694	(18,167,797)	(10,496,947)	(27,113,960)
Elimination of noncontrolling interest			1,076,849
Cash dividends				(1,398,321)
Noncontrolling interest created in consolidation		667,654		667,654
Ending balance	$ 253,307,219	$ 257,061,115	$ 253,307,219	$ 257,061,115

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