CONSOLIDATED STATEMENTS OF CASH FLOWS	12 Months Ended
	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Cash flows from operating activities:
Net loss	$ (487,682)	$ (771,712)	$ (1,121,995)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization, net	1,912,254	1,912,254	1,493,033
Amortization of deferred financing costs	244,673	561,711	501,250
Straight-line rental income	(79,302)	(147,731)	(210,776)
Equity-based compensation	82,500	20,625	0
Write-off of deferred financing costs	183,850	0	0
Changes in assets and liabilities:
Rent and tenant receivables	(89,619)	223,269	(494,449)
Prepaid expenses and other assets	24,482	37,598	(110,396)
Accrued expenses and accounts payable	(54,633)	(170,008)	487,383
Deferred rental income	217,149	(208,716)	4,092
Due to affiliates	(757)	(60,301)	(14,466)
Net cash provided by operating activities	1,952,915	1,396,989	533,676
Cash flows from investing activities:
Investment in real estate assets	0	0	(16,855,205)
Payment of property escrow deposits	0	0	(250,000)
Refund of property escrow deposits	0	0	250,000
Net cash used in investing activities	0	0	(16,855,205)
Cash flows from financing activities:
Proceeds from issuance of common stock	350,001	10,187,281	16,677,720
Redemptions of common stock	(560,257)	(48,015)	0
Offering costs on issuance of common stock	(37,072)	(856,439)	(1,299,977)
Distribution and stockholder servicing fees paid	(60,948)	(65,165)	(21,753)
Distributions to stockholders	(996,153)	(912,391)	(448,362)
Proceeds from credit facility	0	0	12,700,000
Repayments of credit facility	0	(7,800,000)	(2,725,000)
Proceeds from subordinate promissory note	0	2,200,000	16,488,631
Repayment of subordinate promissory note	0	(3,800,000)	(25,188,631)
Deferred financing costs paid	(78,183)	(17,762)	(114,687)
Net cash (used in) provided by financing activities	(1,382,612)	(1,112,491)	16,067,941
Net increase (decrease) in cash and cash equivalents	570,303	284,498	(253,588)
Cash and cash equivalents, beginning of period	635,959	351,461	605,049
Cash and cash equivalents, end of period	1,206,262	635,959	351,461
Supplemental disclosures of non-cash investing and financing activities:
Distributions declared and unpaid	132,145	155,111	100,241
Change in accrued distribution and stockholder servicing fees	(15,884)	35,533	237,105
Common stock issued through distribution reinvestment plan	658,062	569,926	179,564
Supplemental cash flow disclosures:
Interest paid	1,107,570	1,269,123	1,102,926
Cash paid for taxes	$ 7,048	$ 6,467	$ 2,491