Condensed Consolidated Statements of Operations - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Interest income:
Commercial mortgage loans held-for-investment	$ 10,009,064	$ 7,470,117
Cash and cash equivalents	4,855	4,300
Interest expense:
Collateralized loan obligations	(4,004,238)	(2,185,242)
Secured term loan	(922,643)	(771,865)
Net interest income	5,087,038	4,517,310
Other income (loss):
Unrealized gain (loss) on mortgage servicing rights	147,382	(20,455)
Servicing income, net	67,181	124,156
Total other income (loss)	214,563	103,701
Expenses:
Management and incentive fees	924,617	720,999
General and administrative expenses	852,732	680,314
Operating expenses reimbursable to Manager	390,710	312,454
Other operating expenses	76,190	34,753
Compensation expense	50,888	49,135
Total expenses	2,295,137	1,797,655
Net income before provision for income taxes	3,006,464	2,823,356
Benefit from (provision for) income taxes	(51,665)	(14,713)
Net income	2,954,799	2,808,643
Dividends accrued to preferred stockholders	(1,184,958)	(3,708)
Net income attributable to common stockholders	1,769,841	2,804,935
Earnings per share:
Net income attributable to common stockholders (basic)	1,769,841	2,804,935
Net income attributable to common stockholders (diluted)	$ 1,769,841	$ 2,804,935
Weighted average number of shares of common stock outstanding (in shares)	36,464,952	24,943,383
Basic income per share (in dollars per share)	$ 0.05	$ 0.11
Diluted income per share (in dollars per share)	0.05	0.11
Dividends declared per share of common stock (in dollars per share)	$ 0.06	$ 0.09