CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Cash flows from operating activities
Net income (loss)	$ 619,448	$ (146,290)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities
Depreciation and amortization	1,398,358	1,699,555
Unrealized gain on marketable equity securities	(15,517)
Amortization of loan procurement costs	49,118	42,434
Compensation expense related to stock-based awards	80,771
Changes in operating assets and liabilities:
Accounts receivable	35,685	54,318
Prepaid expenses and other assets	(41,937)	43,215
Accounts payable and accrued expenses	155,323	231,461
Net cash provided by operating activities	2,281,249	1,924,693
Cash flows from investing activities
Construction	(70,703)	(393,832)
Improvements and equipment additions	(93,829)	(259,078)
Net cash used in investing activities	(164,532)	(652,910)
Cash flows from financing activities
Line of credit issuance costs	(477,981)
Principal payments on note payable	(190,488)
Dividends paid	(1,992,397)	(1,981,062)
Net cash used in financing activities	(2,660,866)	(1,981,062)
Net decrease in cash and cash equivalents	(544,149)	(709,279)
Cash, cash equivalents, and restricted cash, beginning of period	2,256,415	2,965,694
Cash, cash equivalents, and restricted cash, end of period	1,712,266	2,256,415
Supplemental schedule of cash flow information
Interest paid	$ 837,074	$ 838,400