Segment Disclosures - Summary of Reportable Segments (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Total revenues	$ 34,270,414	$ 33,545,925	$ 33,772,061
Property operating expenses	(23,326,314)	(22,233,486)	(20,906,025)
Net operating income	10,944,100	11,312,439	12,866,036
Property operating expenses – affiliates	2,832,734	2,832,797	2,774,621
General and administrative	1,278,446	1,508,517	2,328,994
Depreciation	8,674,660	8,647,065	8,090,701
Intangible amortization expense	626,332	3,819,600	7,283,174
Interest expense	9,533,011	9,801,601	10,222,569
Interest expense – debt issuance costs	468,703	559,183	728,601
Forgiveness of PPP Loans	(1,971,157)
Other	(1,168,175)	(750,574)	15,668
Net loss	(9,330,454)	(15,105,750)	(18,578,292)
Student Housing [Member]
Segment Reporting Information [Line Items]
Total revenues	8,090,778	7,391,722	7,616,750
Senior Housing [Member]
Segment Reporting Information [Line Items]
Total revenues	26,179,636	26,154,203	26,155,311
Operating Segments [Member] | Student Housing [Member]
Segment Reporting Information [Line Items]
Property operating expenses	(4,098,690)	(3,847,661)	(3,969,067)
Net operating income	3,992,088	3,544,061	3,647,683
Property operating expenses – affiliates	945,223	944,851	949,266
Depreciation	3,236,924	3,343,055	3,323,668
Interest expense	2,141,400	2,141,400	2,141,400
Interest expense – debt issuance costs	105,983	105,983	105,982
Other			(9,810)
Net loss	(2,437,442)	(2,991,228)	(2,862,823)
Operating Segments [Member] | Senior Housing [Member]
Segment Reporting Information [Line Items]
Property operating expenses	(19,227,624)	(18,385,825)	(16,936,958)
Net operating income	6,952,012	7,768,378	9,218,353
Property operating expenses – affiliates	1,887,511	1,887,946	1,825,355
Depreciation	5,422,949	5,289,624	4,753,348
Intangible amortization expense	626,332	3,819,600	7,283,174
Interest expense	7,391,611	7,660,201	8,081,169
Interest expense – debt issuance costs	362,720	453,200	622,619
Forgiveness of PPP Loans	(1,971,157)
Other	(832,336)	(836,729)	2,619
Net loss	(5,935,618)	(10,505,464)	(13,349,931)
Corporate and Other [Member]
Segment Reporting Information [Line Items]
General and administrative	1,278,446	1,508,517	2,328,994
Depreciation	14,787	14,386	13,685
Other	(335,839)	86,155	22,859
Net loss	(957,394)	(1,609,058)	(2,365,538)
Leasing and Leasing Related Revenues [Member]
Segment Reporting Information [Line Items]
Total revenues	33,982,634	33,239,939	33,076,374
Leasing and Leasing Related Revenues [Member] | Operating Segments [Member] | Student Housing [Member]
Segment Reporting Information [Line Items]
Total revenues	8,090,778	7,391,722	7,616,750
Leasing and Leasing Related Revenues [Member] | Operating Segments [Member] | Senior Housing [Member]
Segment Reporting Information [Line Items]
Total revenues	25,891,856	25,848,217	25,459,624
Other Revenues [Member]
Segment Reporting Information [Line Items]
Total revenues	287,780	305,986	695,687
Other Revenues [Member] | Operating Segments [Member] | Senior Housing [Member]
Segment Reporting Information [Line Items]
Total revenues	$ 287,780	$ 305,986	$ 695,687