Consolidated Statements of Operations - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Revenues [Abstract]
Interest income	$ 9,651,865	$ 10,208,964
Real estate operating income	2,313,051	2,321,238
Prepayment fee income	0	98,775
Other operating income	112,655	108,957
Total	12,077,571	12,737,934
Operating expenses
Operating expenses reimbursed to Manager	1,367,189	1,115,204
Asset management fee	1,029,533	880,355
Asset serving fee	234,208	204,477
Provision for Loan Losses	1,144,994	0
Real estate operating expenses	944,518	755,855
Depreciation and amortization	946,494	946,494
Professional Fees	294,761	172,786
Directors Fee	83,750	83,750
Other	64,949	17,584
Total Operating Expenses	6,110,396	4,176,505
Operating Income	5,967,175	8,561,429
Other Income and expense
Interest expense from obligations under participation agreements	(2,600,758)	(2,924,310)
Interest expense on repurchase agreement payable	(1,551,270)	(933,973)
Interest expense on mortgage loan payable	(750,636)	(780,271)
Interest expense on revolving credit facility	174,989	0
Net loss on extinguishment of obligations under participation agreements	319,453	0
Realized gains on marketable securities	8,894	0
Other income and expense	(5,388,212)	(4,638,554)
Net income	578,963	3,922,875
Preferred stock dividend declared	(3,906)	(3,906)
Net income allocable to common stock	$ 575,057	$ 3,918,969
Earnings per share — basic and diluted	$ 0.03	$ 0.26
Weighted-average shares — basic and diluted	16,707,279	14,912,990
Dividends declared per common share	$ 0.53	$ 0.51