Segment Disclosures - Summary of Reportable Segments (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Segment Reporting Information [Line Items]
Total revenues	$ 8,733,599	$ 8,381,328
Property operating expenses	(5,519,748)	(4,998,440)
Net operating income	3,213,851	3,382,888
Property operating expenses – affiliates	714,252	690,927
General and administrative	465,477	608,205
Depreciation	2,157,610	1,982,769
Intangible amortization expense	954,900	1,837,073
Interest expense	2,561,387	2,585,597
Interest expense – debt issuance costs	119,950	197,573
Other	53,011	(18,847)
Net loss	(3,812,736)	(4,500,409)
Student Housing [Member]
Segment Reporting Information [Line Items]
Total revenues	1,834,471	2,023,952
Property operating expenses	(955,454)	(985,000)
Net operating income	879,017	1,038,952
Property operating expenses – affiliates	237,098	238,249
Depreciation	832,565	823,049
Interest expense	535,350	535,350
Interest expense – debt issuance costs	26,496	26,496
Other		(2,001)
Net loss	(752,492)	(582,191)
Senior Housing [Member]
Segment Reporting Information [Line Items]
Total revenues	6,899,128	6,357,376
Property operating expenses	(4,564,294)	(4,013,440)
Net operating income	2,334,834	2,343,936
Property operating expenses – affiliates	477,154	452,678
Depreciation	1,321,449	1,156,782
Intangible amortization expense	954,900	1,837,073
Interest expense	2,026,037	2,050,247
Interest expense – debt issuance costs	93,454	171,077
Other	370	962
Net loss	(2,538,530)	(3,324,883)
Corporate and Other [Member]
Segment Reporting Information [Line Items]
General and administrative	465,477	608,205
Depreciation	3,596	2,938
Other	52,641	(17,808)
Net loss	(521,714)	(593,335)
Leasing and leasing related revenues [Member]
Segment Reporting Information [Line Items]
Total revenues	8,564,070	8,228,906
Leasing and leasing related revenues [Member] | Student Housing [Member]
Segment Reporting Information [Line Items]
Total revenues	1,834,471	2,023,952
Leasing and leasing related revenues [Member] | Senior Housing [Member]
Segment Reporting Information [Line Items]
Total revenues	6,729,599	6,204,954
Other Revenues [Member]
Segment Reporting Information [Line Items]
Total revenues	169,529	152,422
Other Revenues [Member] | Senior Housing [Member]
Segment Reporting Information [Line Items]
Total revenues	$ 169,529	$ 152,422