QUARTERLY FINANCIAL DATA (UNAUDITED) (Details) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Total interest income	$ 22,162	$ 22,733	$ 23,610	$ 24,617	$ 26,338	$ 27,401	$ 29,632	$ 31,043	$ 16,724,278	$ 11,087,306	$ 11,854,700
Total interest expense	(16,259)	(16,580)	(17,837)	(18,857)	(19,801)	(20,301)	(21,062)	(21,940)	(1,860,000)
Net interest income	5,903	6,153	5,772	5,760	6,537	7,100	8,570	9,103	23,588,344	31,309,716	17,971,303
Other-than-temporary impairment	933	(204)	(146)	(21)	1,016	(351)	567	(4,868)
Other income (loss)	8,932	(908)	(9,561)	(18,275)	1,289	(4,944)	(1,216)	(5,232)
Total expenses	3,298	3,191	3,864	4,412	5,363	3,505	4,120	4,133
Net income (loss)	12,470	1,851	(7,800)	(16,948)	3,479	(1,699)	3,801	(5,130)	(10,426,645)	450,479	3,313,786
Net income (loss) attributable to common shareholders (basic and diluted)	11,580	970	(8,671)	(17,828)	2,588	(2,579)	2,930	(6,011)	(13,948,681)	(3,071,557)	426,490
Earnings (loss) per share:
Net income (loss) attributable to common shareholders (basic and diluted)	$ 11,580	$ 970	$ (8,671)	$ (17,828)	$ 2,588	$ (2,579)	$ 2,930	$ (6,011)	$ (13,948,681)	$ (3,071,557)	$ 426,490
Weighted average number of shares of common stock outstanding:	14,762,006	14,600,193	14,597,894	14,605,515	14,719,632	14,724,750	14,721,492	14,718,750	14,641,701	14,721,074	12,358,587
Basic and diluted income (loss) per share	$ 0.78	$ 0.07	$ (0.59)	$ (1.22)	$ 0.18	$ (0.18)	$ 0.20	$ (0.41)	$ (0.95)	$ (0.21)	$ 0.03