Condensed Consolidated Statements of Operations - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Interest income:
Commercial mortgage loans held-for-investment	$ 9,165,805	$ 9,904,188
Multi-family loans held in securitization trusts	0	78,361
Cash and cash equivalents	28,167	0
Interest expense:
Collateralized loan obligations	(4,237,889)	(5,446,889)
Secured term loan	(780,441)	(329,113)
Net interest income	4,175,642	4,206,547
Other income:
Realized (loss) on investments, net	0	(709,439)
Unrealized (loss) on mortgage servicing rights	(877,749)	(379,998)
Unrealized gain on multi-family loans held in securitization trusts	0	694,339
Servicing income, net	194,147	248,214
Other income	2	0
Total other (loss)	(683,600)	(146,884)
Expenses:
Management fee	584,821	553,459
General and administrative expenses	765,892	1,466,685
Operating expenses reimbursable to Manager	461,121	540,037
Other operating expenses	300,926	37,757
Compensation expense	54,132	50,023
Total expenses	2,166,892	2,647,961
Net income before provision for income taxes	1,325,150	1,411,702
Benefit from income taxes	226,521	63,065
Net income	1,551,671	1,474,767
Dividends to preferred stockholders	(3,750)	(480,472)
Deemed dividend on preferred stock related to redemption	0	(3,093,028)
Net income (loss) attributable to common stockholders	1,547,921	(2,098,733)
Earnings (loss) per share:
Net income (loss) attributable to common stockholders (basic and diluted)	$ 1,547,921	$ (2,098,733)
Weighted average number of shares of common stock outstanding (in shares)	24,911,483	23,687,664
Basic and diluted income (loss) per share (in dollars per share)	$ 0.06	$ (0.09)
Dividends declared per share of common stock (in dollars per share)	$ 0.08	$ 0.07