EARNINGS PER SHARE - Earnings per Share (Details) - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net income	$ 2,954,799	$ 2,808,643
Less dividends:
Common stock	3,133,509	2,244,904
Preferred stock	1,184,958	3,708
Dividends	4,318,467	2,248,612
Undistributed earnings (deficit)	$ (1,363,668)	$ 560,031
Total (in dollars per share)	$ 0.05	$ 0.11
Common Stock
Less dividends:
Distributed earnings (in dollars per share)	0.09	0.09
Undistributed earnings (deficit) (in dollars per share)	(0.04)	0.02
Total (in dollars per share)	0.05	0.11
Unvested Share-Based Payment Awards
Less dividends:
Distributed earnings (in dollars per share)	0.09	0.09
Undistributed earnings (deficit) (in dollars per share)	0	0.02
Total (in dollars per share)	$ 0.09	$ 0.11