CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Cash flows from operating activities
Net income	$ 1,570,611	$ 687,407
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization	815,379	809,383
Unrealized (gain) loss on marketable equity securities	(246,703)	830,373
Unrealized loss (gain) on interest rate cap premium	6,237	(42,157)
Amortization of loan procurement costs	69,515	70,089
Stock-based compensation	81,708	91,933
Gain on PPP loan forgiveness		(307,210)
Changes in operating assets and liabilities:
Accounts receivable	(7,308)	(23,387)
Prepaid expenses and other assets	(140,934)	226,487
Accounts payable and accrued expenses	161,750	65,294
Net cash provided by operating activities	2,310,255	2,408,212
Cash flows from investing activities
Improvements and equipment additions	(154,135)	(14,916)
Net cash used in investing activities	(154,135)	(14,916)
Cash flows from financing activities
Principal payments on note payable	(275,472)	(264,183)
Dividends paid	(1,610,067)	(1,406,874)
Issuance of common stock, net of expenses		1,184,323
Proceeds received on PPP loan forgiveness		307,210
Net cash used in financing activities	(1,885,539)	(179,524)
Net increase in cash, cash equivalents, and restricted cash	270,581	2,213,772
Cash, cash equivalents, and restricted cash, beginning of period	6,515,007	3,063,699
Cash, cash equivalents, and restricted cash, end of period	6,785,588	5,277,471
Supplemental cash flow and noncash information
Cash paid for interest	370,723	381,089
Supplemental disclosure of noncash activities:
Dividends payable	3,094	1,952
Operating lease right-of-use assets and lease liabilities
Operating lease right-of-use assets	(9,150)	(4,704)
Operating lease liabilities	$ 9,150	$ 4,704