CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Cash flows from operating activities
Net income (loss)	$ 543,969	$ (125,524)
Adjustments to reconcile net income to net cash provided by (used in) operating activities
Depreciation and amortization	1,047,553	1,341,262
Unrealized loss on marketable equity securities	4,579
Amortization of loan procurement costs	31,806	31,826
Compensation expense related to stock-based awards	54,041
Changes in operating assets and liabilities:
Accounts receivable	6,823	57,283
Prepaid expenses and other assets	(186,005)	(55,883)
Accounts payable and accrued expenses	(33,524)	181,025
Net cash provided by operating activities	1,469,242	1,429,989
Cash flows from investing activities
Improvements and equipment additions	(36,342)	(212,973)
Construction	(74,808)	(100,389)
Net cash used in investing activities	(111,150)	(313,362)
Cash flows from financing activities
Principal payments on note payable	(75,797)
Dividends paid	(1,493,354)	(1,485,797)
Net cash used in financing activities	(1,569,151)	(1,485,797)
Net decrease in cash and cash equivalents	(211,059)	(369,170)
Cash, cash equivalents, and restricted cash, beginning of period	2,256,415	2,965,694
Cash, cash equivalents, and restricted cash, end of period	2,045,356	2,596,524
Supplemental schedule of cash flow information
Interest paid	$ 628,403	$ 628,800