Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Cash flows from operating activities:
Net income	$ 9,863,660	$ 10,527,222
Adjustments to reconcile net income to net cash provided by operating activities:
Accretion of commercial mortgage loans held-for-investment discounts	(125,098)	(46,088)
Amortization of commercial mortgage loans held-for-investment premiums	61,144	457,749
Accretion of collateralized loan obligations discounts, net	0	207,767
Accretion of deferred loan fees	(27,084)	0
Amortization of deferred offering costs	(114,571)	(32,085)
Amortization of deferred financing costs	2,772,870	1,953,465
Provision for loan losses	4,258,668	0
Realized loss on mortgage servicing rights	0	10,910
Loss on extinguishment of debt	0	1,663,926
Unrealized (gain) loss on mortgage servicing rights	(243,659)	356,772
Restricted stock compensation expense	15,980	15,608
Net change in:
Accrued interest receivable	(1,820,239)	(1,962,135)
Other assets	(226,749)	(55,464)
Accrued interest payable	1,656,754	271,119
Fees and expenses payable to Manager	(218,809)	668,802
Other accounts payable and accrued expenses	436,187	(190,621)
Net cash provided by operating activities	16,289,054	13,846,947
Cash flows from investing activities:
Purchase and origination of commercial mortgage loans held-for-investment	(345,921,827)	(983,694,326)
Principal payments from commercial mortgage loans held-for-investment	293,326,723	506,402,705
Deferred loan fees	763,250	0
Net cash (used in) investing activities	(51,831,854)	(477,291,621)
Cash flows from financing activities:
Proceeds from issuance of common stock	81,136,045	0
Net proceeds from issuance of preferred stock	0	57,254,935
Dividends paid on common stock	(11,646,557)	(9,978,162)
Dividends paid on preferred stock	(4,740,000)	(2,115,000)
Proceeds from collateralized obligations	0	833,750,000
Proceeds from secured term loan	0	7,500,000
Payment of collateralized loan obligations	0	(465,316,126)
Payment of deferred financing costs	(119,375)	(8,747,277)
Net cash provided by (used in) financing activities	64,630,113	412,348,370
Net increase (decrease) in cash, cash equivalents and restricted cash	29,087,313	(51,096,304)
Cash, cash equivalents and restricted cash, beginning of period	18,279,052	69,375,356
Cash, cash equivalents and restricted cash, end of period	47,366,365	18,279,052
Supplemental disclosure of cash flow information
Cash paid for interest	28,380,571	13,079,740
Non-cash investing and financing activities information
Dividends declared but not paid at end of period	$ 4,315,119	$ 3,426,559