Condensed Consolidated Statements of Operations - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Interest income:
Commercial mortgage loans held-for-investment	$ 8,111,324	$ 9,825,455	$ 25,749,282	$ 30,018,760
Multi-family loans held in securitization trusts	0	0	0	78,361
Cash and cash equivalents	5,674	6,551	41,461	6,551
Interest expense:
Collateralized loan obligations	(2,495,996)	(5,244,001)	(9,649,523)	(16,147,178)
Secured term loan	(789,018)	(792,121)	(2,349,900)	(1,907,348)
Net interest income	4,831,984	3,795,884	13,791,320	12,049,146
Other loss:
Realized (loss) on investments, net	0	0	0	(709,439)
Unrealized (loss) on mortgage servicing rights	(350,127)	(444,860)	(1,603,052)	(1,283,977)
Unrealized gain on multi-family loans held in securitization trusts	0	0	0	694,339
Servicing income, net	187,989	243,265	586,516	676,944
Other income	0	0	2	0
Total other (loss)	(162,138)	(201,595)	(1,016,534)	(622,133)
Expenses:
Management and incentive fees	675,107	557,833	1,850,139	1,677,456
General and administrative expenses	786,651	904,413	2,531,385	3,266,757
Operating expenses reimbursable to Manager	441,349	175,174	1,249,123	1,232,211
Other operating expenses	309,125	19,212	1,444,049	204,228
Compensation expense	49,199	46,585	156,093	146,672
Total expenses	2,261,431	1,703,217	7,230,789	6,527,324
Net income before provision for income taxes	2,408,415	1,891,072	5,543,997	4,899,689
Benefit from income taxes	142,595	266,676	437,387	126,996
Net income	2,551,010	2,157,748	5,981,384	5,026,685
Dividends to preferred stockholders	(3,792)	(3,792)	(11,292)	(488,056)
Deemed dividend on preferred stock related to redemption	0	0	0	(3,093,028)
Net income attributable to common stockholders	2,547,218	2,153,956	5,970,092	1,445,601
Earnings per share:
Net income attributable to common stockholders (basic and diluted)	$ 2,547,218	$ 2,153,956	$ 5,970,092	$ 1,445,601
Weighted average number of shares of common stock outstanding (in shares)	24,943,383	23,687,664	24,931,524	23,687,664
Basic and diluted income per share (in dollars per share)	$ 0.10	$ 0.09	$ 0.24	$ 0.06
Dividends declared per share of common stock (in dollars per share)	$ 0.09	$ 0.08	$ 0.24	$ 0.22