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Stockholders' Equity - Schedule of Changes in Stockholders Equity (Detail) - USD ($)
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Beginning balance $ 267,101,820 $ 284,471,958
Stock-based compensation 520,801 266,439
Acquisition of noncontrolling interest (4,490,130)  
Purchase of treasury stock (784,902) (15,875)
Net loss (10,684,641) (8,946,163)
Elimination of noncontrolling interest 1,076,849  
Cash dividends   (1,398,321)
Ending balance $ 252,739,797 $ 274,378,038