Segment Disclosures - Summary of Reportable Segments (Detail) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Segment Reporting Information [Line Items]
Total revenues	$ 8,394,776	$ 8,451,571	$ 17,128,375	$ 16,832,899
Property operating expenses	(5,637,815)	(5,006,050)	(11,157,563)	(10,004,490)
Net operating income	2,756,961	3,445,521	5,970,812	6,828,409
Property operating expenses – affiliates	709,833	690,980	1,424,085	1,381,907
General and administrative	364,014	574,341	829,491	1,182,546
Depreciation	2,155,152	1,985,916	4,312,762	3,968,685
Intangible amortization expense	954,900	1,836,354	1,909,800	3,673,427
Interest expense	2,420,834	2,543,584	4,982,221	5,129,181
Interest expense – debt issuance costs	142,167	185,795	262,118	383,368
Other	(1,808)	27,604	51,202	8,757
Net loss	(3,988,131)	(4,399,053)	(7,800,867)	(8,899,462)
Student Housing [Member]
Segment Reporting Information [Line Items]
Total revenues	1,721,032	2,035,523	3,555,503	4,059,475
Property operating expenses	(897,294)	(872,611)	(1,852,748)	(1,857,611)
Net operating income	823,738	1,162,912	1,702,755	2,201,864
Property operating expenses – affiliates	236,167	236,112	473,265	474,361
Depreciation	833,317	828,355	1,665,882	1,651,404
Interest expense	535,350	535,350	1,070,700	1,070,700
Interest expense – debt issuance costs	26,496	26,495	52,992	52,991
Other		139		(1,862)
Net loss	(807,592)	(463,539)	(1,560,084)	(1,045,730)
Senior Housing [Member]
Segment Reporting Information [Line Items]
Total revenues	6,673,744	6,416,048	13,572,872	12,773,424
Property operating expenses	(4,740,521)	(4,133,439)	(9,304,815)	(8,146,879)
Net operating income	1,933,223	2,282,609	4,268,057	4,626,545
Property operating expenses – affiliates	473,666	454,868	950,820	907,546
Depreciation	1,318,238	1,154,448	2,639,687	2,311,230
Intangible amortization expense	954,900	1,836,354	1,909,800	3,673,427
Interest expense	1,885,484	2,008,234	3,911,521	4,058,481
Interest expense – debt issuance costs	115,671	159,300	209,126	330,377
Other		823	370	1,785
Net loss	(2,814,736)	(3,331,418)	(5,353,267)	(6,656,301)
Corporate and Other [Member]
Segment Reporting Information [Line Items]
General and administrative	364,014	574,341	829,491	1,182,546
Depreciation	3,597	3,113	7,193	6,051
Other	(1,808)	26,642	50,832	8,834
Net loss	(365,803)	(604,096)	(887,516)	(1,197,431)
Leasing and leasing related revenues [Member]
Segment Reporting Information [Line Items]
Total revenues	8,355,454	8,259,021	16,919,524	16,487,927
Leasing and leasing related revenues [Member] | Student Housing [Member]
Segment Reporting Information [Line Items]
Total revenues	1,721,032	2,035,523	3,555,503	4,059,475
Leasing and leasing related revenues [Member] | Senior Housing [Member]
Segment Reporting Information [Line Items]
Total revenues	6,634,422	6,223,498	13,364,021	12,428,452
Other Revenues [Member]
Segment Reporting Information [Line Items]
Total revenues	39,322	192,550	208,851	344,972
Other Revenues [Member] | Senior Housing [Member]
Segment Reporting Information [Line Items]
Total revenues	$ 39,322	$ 192,550	$ 208,851	$ 344,972