EARNINGS PER SHARE (Details) - USD ($)	3 Months Ended				6 Months Ended
	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2018	Mar. 31, 2018	Jun. 30, 2019	Jun. 30, 2018	Jan. 18, 2018	Dec. 27, 2016
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net income (loss)	$ 1,394,170	$ 1,474,767	$ (21,490,063)	$ 11,315,000	$ 2,868,937	$ (10,175,063)
Less dividends:
Common stock	1,776,575	1,658,136	1,420,990	2,314,686	3,434,711	3,735,676
Preferred stock	3,792	$ 480,472	870,726	$ 880,509	484,264	1,751,235
Deemed dividend on preferred stock related to redemption	0		0		3,093,028	0
Dividends	1,780,367		2,291,716		7,012,003	5,486,911
Undistributed earnings (deficit)	$ (386,197)		$ (23,781,779)		$ (4,143,066)	$ (15,661,974)
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		23,683,164		23,687,664	23,358,579
Common Stock
Less dividends:
Distributed earnings (in dollars per share)	$ 0.07		$ 0.06		$ 0.14	$ 0.16
Undistributed earnings (deficit) (in dollars per share)	(0.01)		(1.00)		(0.17)	(0.67)
Total (in dollars per share)	0.06		(0.94)		(0.03)	(0.51)
Unvested Share-Based Payment Awards
Less dividends:
Distributed earnings (in dollars per share)	0.07		0.06		0.14	0.16
Undistributed earnings (deficit) (in dollars per share)	(0.01)		(1.00)		(0.17)	(0.67)
Total (in dollars per share)	$ 0.06		$ (0.94)		$ (0.03)	$ (0.51)
XL Investments
Less dividends:
Common stock shares into which warrants may be converted (in shares)							3,753,492	3,753,492