EARNINGS PER SHARE - Earnings per Share (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net income	$ 10,527,222	$ 8,449,770
Less dividends expense:
Common stock dividends	8,980,832	9,103,997
Preferred stock	3,112,500	15,000
Dividends	12,093,332	9,118,997
Undistributed earnings (deficit)	$ (1,566,110)	$ (669,227)
Total (in dollars per share)	$ 0.30	$ 0.34
Common Stock
Less dividends expense:
Distributed earnings (in dollars per share)	0.36	0.37
Undistributed earnings (deficit) (in dollars per share)	(0.06)	(0.03)
Total (in dollars per share)	0.30	0.34
Unvested Share Based Payment Awards
Less dividends expense:
Distributed earnings (in dollars per share)	0.36	0.37
Undistributed earnings (deficit) (in dollars per share)	0	0
Total (in dollars per share)	$ 0.36	$ 0.37