CONSOLIDATED STATEMENTS OF OPERATIONS and COMPREHENSIVE INCOME (LOSS) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Revenues
Rental income	$ 2,608,664	$ 2,237,424	$ 7,402,570	$ 6,521,176
Total revenues	2,730,518	2,345,909	7,747,227	6,819,665
Expenses
Property operations	940,372	907,350	2,831,693	2,698,639
General and administrative	594,547	564,162	1,804,371	1,822,353
Depreciation and amortization	409,763	509,219	1,221,938	1,527,901
Business development	1,797	471	6,635	10,528
Total expenses	1,946,479	1,981,202	5,864,637	6,059,421
Operating income	784,039	364,707	1,882,590	760,244
Other income (expense)
Dividend and interest income	19,533	17,648	56,396	62,017
Unrealized gain on marketable equity securities	81,992	245,571	791,189	27,402
Interest expense	(256,502)	(290,802)	(828,567)	(891,107)
Total other income (expense), net	(154,977)	(27,583)	19,018	(801,688)
Net income (loss) and comprehensive income (loss)	$ 629,062	$ 337,124	$ 1,901,608	$ (41,444)
Earnings per share
Basic	$ 0.06	$ 0.04	$ 0.19	$ (0.00)
Diluted	$ 0.06	$ 0.04	$ 0.19	$ (0.00)
Weighted average shares outstanding
Basic	10,601,521	9,277,043	9,757,458	9,269,834
Diluted	10,635,006	9,290,984	9,787,317	9,269,834
Other property related income
Revenues
Revenues	$ 102,428	$ 90,989	$ 288,249	$ 246,148
Management fees and other income
Revenues
Revenues	$ 19,426	$ 17,496	$ 56,408	$ 52,341