Equity-Based Compensation (Details) - USD ($)		3 Months Ended		6 Months Ended
	Dec. 31, 2014	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Equity-based compensation
Equity-based compensation expense		$ 39,542	$ 45,500	$ 77,667	$ 90,500
Unrecognized equity-based compensation		$ 300,000		$ 300,000		$ 200,000
Restricted stock
Equity-based compensation
Number of shares authorized		2,000,000.0		2,000,000.0
Restricted common shares grant vesting period	4 years			2 years
Unvested shares (in shares)		44,117		44,117		25,360
Independent Directors | Restricted stock
Equity-based compensation
Number of shares granted to independent directors (in shares)				159,932
Aggregate value for restricted common shares granted to independent directors		$ 1,300,000		$ 1,300,000