CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Revenues
Rental income	$ 2,077,453	$ 1,954,052	$ 4,116,137	$ 3,856,153
Other property related income	71,234	65,678	139,060	125,461
Total revenues	2,148,687	2,019,730	4,255,197	3,981,614
Expenses
Property operations	923,529	823,672	1,836,878	1,673,366
General and administrative	554,635	456,330	1,110,639	921,752
Depreciation and amortization	352,809	349,173	704,376	698,046
Business development	15,044	10,000	23,294	10,000
Total expenses	1,846,017	1,639,175	3,675,187	3,303,164
Operating income	302,670	380,555	580,010	678,450
Other income (expense)
Dividend and interest income	17,446	17,779	34,646	41,126
Unrealized gain on marketable equity securities	72,833	217,349	227,282	175,442
Interest expense	(256,104)	(220,209)	(517,270)	(440,417)
Total other income (expense), net	(165,825)	14,919	(255,342)	(223,849)
Net income	$ 136,845	$ 395,474	$ 324,668	$ 454,601
Earnings per share
Basic	$ 0.02	$ 0.05	$ 0.04	$ 0.06
Diluted	$ 0.02	$ 0.05	$ 0.04	$ 0.06
Weighted average shares outstanding
Basic	7,640,991	7,619,549	7,635,885	7,619,509
Diluted	7,650,296	7,620,283	7,642,980	7,619,999