Consolidated Statements of Operations - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Interest income:
Commercial mortgage loans held-for-investment	$ 36,162,050	$ 33,570,949
Cash and cash equivalents	28,779	45,782
Interest expense:
Collateralized loan obligations	(12,178,545)	(12,047,300)
Secured term loan	(3,333,536)	(3,138,917)
Net interest income	20,678,748	18,430,514
Other income:
Realized loss on mortgage servicing rights	(10,910)	0
Change in unrealized loss on mortgage servicing rights	(356,772)	(1,780,528)
Loss on extinguishment of debt	(1,663,926)	0
Servicing income, net	398,939	709,565
Other income	0	2
Total other (loss)	(1,632,669)	(1,070,961)
Expenses:
Management and incentive fees	3,041,600	2,524,139
General and administrative expenses	2,879,655	3,518,500
Operating expenses reimbursable to Manager	2,038,130	1,644,886
Other operating expenses	280,970	1,493,214
Compensation expense	200,608	205,292
Total expenses	8,440,963	9,386,031
Net income before provision for income taxes	10,605,116	7,973,522
(Provision for) benefit from income taxes	(77,894)	476,248
Net income	10,527,222	8,449,770
Dividends to preferred stockholders	(3,112,500)	(15,000)
Net income attributable to common stockholders (basic and diluted)	7,414,722	8,434,770
Earnings per share:
Net income attributable to common stockholders (basic)	7,414,722	8,434,770
Net income attributable to common stockholders (diluted)	$ 7,414,722	$ 8,434,770
Weighted average number of shares of common stock outstanding (in shares)	24,945,824	24,934,505
Basic income per share (in dollars per share)	$ 0.30	$ 0.34
Diluted income per share (in dollars per share)	0.30	0.34
Dividends declared per weighted average share of common stock (in dollars per share)	$ 0.36	$ 0.37