Consolidated Statements of Cash Flows - USD ($)	3 Months Ended				9 Months Ended		60 Months Ended
	Sep. 30, 2021	Mar. 31, 2021	Sep. 30, 2020	Mar. 31, 2020	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Dec. 31, 2020
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ 1,624,000	$ (3,671,000)	$ (5,330,000)	$ (1,256,000)	$ (1,520,000)	$ (10,627,000)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization, net					15,211,000	15,461,000
Loss on early extinguishment of debt	0		281,000		0	281,000
Amortization of deferred loan costs					791,000	859,000
Amortization of premiums and discounts on debt					(9,000)	(97,000)
Unrealized premium adjustment					2,231,000	844,000
Amortization and accretion on loans receivable, net					(426,000)	(290,000)
(Recoveries) write-offs of uncollectible receivables					(119,000)	2,311,000
Deferred income taxes					110,000	(915,000)
Stock-based compensation					165,000	167,000
Loans funded, held for sale to secondary market					(94,803,000)	(24,122,000)
Proceeds from sale of guaranteed loans					82,400,000	17,159,000
Principal collected on loans subject to secured borrowings					651,000	3,600,000
Commitment fees remitted and other operating activity					(2,200,000)	(813,000)
Changes in operating assets and liabilities:
Accounts receivable					(639,000)	(60,000)
Other assets					(1,983,000)	413,000
Accounts payable and accrued expenses					2,272,000	598,000
Deferred leasing costs					(792,000)	(440,000)
Other liabilities					5,185,000	(870,000)
Due to related parties					7,369,000	3,710,000
Net cash provided by operating activities					13,894,000	7,169,000
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures					(1,781,000)	(13,210,000)
Acquisition of real estate					(2,933,000)	0
Loans funded					(24,676,000)	(24,057,000)
Principal collected on loans					23,667,000	5,292,000
Other investing activity					0	81,000
Net cash used in investing activities					(5,723,000)	(31,894,000)
CASH FLOWS FROM FINANCING ACTIVITIES:
Payment of revolving credit facilities, mortgages payable, term notes and principal on SBA 7(a) loan-backed notes					(132,759,000)	(55,159,000)
Proceeds from revolving credit facilities and term notes					30,396,000	77,516,000
Payment of principal on secured borrowings					(651,000)	(3,600,000)
Payment of deferred preferred stock offering costs					(483,000)	(683,000)
Payment of deferred costs					(2,000)	(740,000)
Payment of common dividends					(3,979,000)	(3,319,000)
Proceeds from issuance of Common Stock					78,825,000	0
Payment of Common Stock offering costs					(540,000)	0
Net proceeds from issuance of Series A Preferred Warrants					0	29,000
Net proceeds from issuance of Preferred Stock					20,899,000	32,912,000
Payment of preferred stock dividends					(15,440,000)	(14,464,000)
Redemption of Preferred Stock					(1,832,000)	(1,681,000)
Noncontrolling interests’ distributions					(109,000)	(45,000)
Net cash (used in) provided by financing activities					(25,675,000)	30,766,000
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS AND RESTRICTED CASH					(17,504,000)	6,041,000
CASH AND CASH EQUIVALENTS AND RESTRICTED CASH:
Beginning of period		$ 43,649,000		$ 35,947,000	43,649,000	35,947,000
End of period	26,145,000		41,988,000		26,145,000	41,988,000	$ 26,145,000
RECONCILIATION OF CASH AND CASH EQUIVALENTS AND RESTRICTED CASH TO THE CONSOLIDATED BALANCE SHEETS:
Cash and cash equivalents	14,552,000		32,111,000		14,552,000	32,111,000	14,552,000	$ 33,636,000
Restricted cash	11,593,000		9,877,000		11,593,000	9,877,000	11,593,000	10,013,000
Total cash and cash equivalents and restricted cash	26,145,000		41,988,000		26,145,000	41,988,000	26,145,000	$ 43,649,000
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Cash paid during the period for interest					6,585,000	7,952,000
Federal income taxes paid					2,100,000	273,000
SUPPLEMENTAL DISCLOSURES OF NONCASH INVESTING AND FINANCING ACTIVITIES:
Accrued capital expenditures, tenant improvements and real estate developments					1,118,000	1,047,000
Accrued preferred stock offering costs					738,000	653,000
Accrual of dividends payable to preferred stockholders					3,403,000	2,715,000
Preferred stock offering costs offset against redeemable preferred stock					296,000	455,000
Reclassification of Series A Preferred Stock from temporary equity to permanent equity					34,552,000	27,434,000	$ 134,700,000
Accrued deferred costs					0	361,000
Reclassification of loans receivable, net to real estate owned					0	174,000
Redeemable preferred stock deemed dividends	$ 90,000		$ 87,000		253,000	300,000
Accrued redeemable preferred stock fees					677,000	392,000
Equity-based payment for management fees					4,652,000	5,022,000
Accrued Common Stock offering costs included in additional paid-in capital					$ 1,420,000	$ 0