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Earnings Per Share (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Computation for earnings per share
Net Income	$ 38,165,138	$ 59,754,319	$ 46,314,388
Less: Net loss (income) attributable to redeemable noncontrolling interest	495,407	(4,795,295)	1,061,441
NET INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS	$ 38,660,545	$ 54,959,024	$ 47,375,829
Weighted average number of outstanding shares
Weighted average number of outstanding shares (in shares)	3,214,564	3,436,574	3,512,470
Dilutive impact of restricted stock units (in shares)	0	67	2,058
Weighted average number of outstanding shares - Diluted (in shares)	3,214,564	3,436,641	3,514,528
Earnings per share attributable to common shareholders
Basic (in dollars per share)	$ 12.03	$ 15.99	$ 13.49
Diluted (in dollars per share)	$ 12.03	$ 15.99	$ 13.48

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