Segment Disclosures - Summary of Reportable Segments (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Segment Reporting Information [Line Items]
Total revenues	$ 8,243,760	$ 8,733,599
Property operating expenses	(5,476,541)	(5,519,748)
Net operating income	2,767,219	3,213,851
Property operating expenses – affiliates	702,792	714,252
General and administrative	307,197	465,477
Depreciation	2,190,012	2,157,610
Intangible amortization expense	626,332	954,900
Interest expense	2,361,159	2,561,387
Interest expense – debt issuance costs	123,340	119,950
Other	21,406	53,011
Net loss	(3,565,019)	(3,812,736)
Student Housing [Member]
Segment Reporting Information [Line Items]
Total revenues	2,021,487	1,834,471
Property operating expenses	(998,385)	(955,454)
Net operating income	1,023,102	879,017
Property operating expenses – affiliates	235,801	237,098
Depreciation	842,088	832,565
Interest expense	535,350	535,350
Interest expense – debt issuance costs	26,496	26,496
Net loss	(616,633)	(752,492)
Senior Housing [Member]
Segment Reporting Information [Line Items]
Total revenues	6,222,273	6,899,128
Property operating expenses	(4,478,156)	(4,564,294)
Net operating income	1,744,117	2,334,834
Property operating expenses – affiliates	466,991	477,154
Depreciation	1,345,523	1,321,449
Intangible amortization expense	626,332	954,900
Interest expense	1,825,809	2,026,037
Interest expense – debt issuance costs	96,844	93,455
Net loss	(2,617,382)	(2,538,161)
Corporate and Other [Member]
Segment Reporting Information [Line Items]
General and administrative	307,197	465,477
Depreciation	2,401	3,596
Other	21,406	53,011
Net loss	(331,004)	(522,084)
Leasing and leasing related revenues [Member]
Segment Reporting Information [Line Items]
Total revenues	8,204,680	8,564,070
Leasing and leasing related revenues [Member] | Student Housing [Member]
Segment Reporting Information [Line Items]
Total revenues	2,021,487	1,834,471
Leasing and leasing related revenues [Member] | Senior Housing [Member]
Segment Reporting Information [Line Items]
Total revenues	6,183,193	6,729,599
Other Revenues [Member]
Segment Reporting Information [Line Items]
Total revenues	39,080	169,529
Other Revenues [Member] | Senior Housing [Member]
Segment Reporting Information [Line Items]
Total revenues	$ 39,080	$ 169,529