Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Cash flows from operating activities:
Net income	$ 22,649,190	$ 19,714,496
Adjustments to reconcile net income to net cash provided by operating activities:
Accretion of commercial mortgage loans held-for-investment discounts	(3,534,649)	(1,070,701)
Amortization of commercial mortgage loans held-for-investment premiums	0	19,253
Accretion of deferred loan fees	(737,793)	(292,073)
Amortization of deferred offering costs	(34,008)	(56,940)
Amortization of deferred financing costs	3,180,609	3,258,892
Provision for credit losses	5,261,214	2,524,216
Unrealized loss on mortgage servicing rights	42,686	103,684
Restricted stock compensation expense	0	6,194
Non-cash compensation expense	147,436	0
Net change in:
Accrued interest receivable	2,642,931	(2,790,814)
Other assets	621,239	(137,272)
Accrued interest payable	(1,394,739)	1,731,892
Fees and expenses payable to Manager	(13,657)	(18,458)
Other liabilities	(1,700,793)	1,745,972
Net cash provided by operating activities	27,129,666	24,738,341
Cash flows from investing activities:
Purchase and origination of commercial mortgage loans held-for-investment	(58,423,744)	(594,201,680)
Principal payments from commercial mortgage loans held-for-investment	391,025,468	277,481,511
Deferred loan fees	1,487,623	0
Net cash provided by (used in) investing activities	334,089,347	(316,720,169)
Cash flows from financing activities:
Proceeds from issuance of common stock	0	39,896
Dividends paid on common stock	(15,680,803)	(13,057,788)
Dividends paid on preferred stock	(4,740,000)	(4,740,000)
Proceeds from collateralized obligations	0	317,700,000
Payment of collateralized loan obligations	(320,751,304)	0
Payment of deferred financing costs	0	(3,809,453)
Net cash (used in) provided by financing activities	(341,172,107)	296,132,655
Net increase in cash, cash equivalents and restricted cash	20,046,906	4,150,827
Cash, cash equivalents and restricted cash, beginning of period	51,517,192	47,366,365
Cash, cash equivalents and restricted cash, end of period	71,564,098	51,517,192
Supplemental disclosure of cash flow information
Cash paid for interest	78,986,487	69,810,218
Non-cash investing and financing activities information
Dividends declared but not paid at end of period	$ 9,890,065	$ 4,654,904