EARNINGS PER SHARE (Details) - USD ($)	3 Months Ended
	Mar. 31, 2019	Dec. 31, 2018	Mar. 31, 2018	Dec. 31, 2017	Jan. 18, 2018	Dec. 27, 2016
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net income (loss)	$ 1,474,767	$ 11,315,000	$ 11,315,000	$ 11,315,000
Less dividends:
Common stock	1,658,136		2,314,686
Preferred stock	480,472		880,509
Redeemable Preferred Stock Dividends	3,093,028	$ 0	0
Dividends	5,231,636		3,195,195
Undistributed earnings (deficit)	$ (3,756,869)		$ 8,119,805
Adjustment to calculation of diluted earnings per share for warrants (in shares)	0		0
Weighted average number of shares of common stock outstanding (in shares)	23,687,664	23,392,387	23,392,387
Common Stock
Less dividends:
Distributed earnings (in dollars per share)	$ 0.07		$ 0.10
Undistributed earnings (deficit) (in dollars per share)	(0.16)		0.35
Total (in dollars per share)	(0.09)		0.45
Unvested Share-Based Payment Awards
Less dividends:
Distributed earnings (in dollars per share)	0.07		0.10
Undistributed earnings (deficit) (in dollars per share)	(0.16)		0.35
Total (in dollars per share)	$ (0.09)		$ 0.45
XL Investments
Less dividends:
Common stock shares into which warrants may be converted (in shares)					3,753,492	3,753,492