CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Cash flows from operating activities
Net income	$ 1,841,369	$ 1,617,271
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization	1,224,624	1,214,344
Unrealized loss on marketable equity securities	165,266	889,885
Unrealized loss (gain) on interest rate cap premium	30,503	(102,393)
Amortization of loan procurement costs	94,916	105,027
Stock-based compensation	126,428	131,112
Gain on PPP loan forgiveness		(307,210)
Changes in operating assets and liabilities:
Accounts receivable	(36,491)	(42,060)
Prepaid expenses and other assets	(354,483)	(12,300)
Accounts payable and accrued expenses	317,410	317,330
Net cash provided by operating activities	3,409,542	3,811,006
Cash flows from investing activities
Improvements and equipment additions	(196,689)	(81,904)
Net cash used in investing activities	(196,689)	(81,904)
Cash flows from financing activities
Principal payments on note payable	(406,138)	(398,361)
Dividends paid	(2,416,247)	(2,210,072)
Issuance of common stock, net of expenses		1,982,028
Proceeds received on PPP loan forgiveness		307,210
Net cash used in financing activities	(2,822,385)	(319,195)
Net increase in cash, cash equivalents, and restricted cash	390,468	3,409,907
Cash, cash equivalents, and restricted cash, beginning of period	6,515,007	3,063,699
Cash, cash equivalents, and restricted cash, end of period	6,905,475	6,473,606
Supplemental cash flow and noncash information
Cash paid for interest	553,907	569,539
Supplemental disclosure of noncash activities:
Dividends payable	$ 5,790	$ 3,043