Condensed Consolidated Statement of Stockholders' Equity - 3 months ended Mar. 31, 2019 - USD ($)	Total	Preferred Stock	Common Stock	Additional Paid-in Capital	Cumulative Distributions to Stockholders	Accumulated Earnings (Deficit)	Noncontrolling interests
Balance (in shares) at Dec. 31, 2018		1,610,000	23,687,664
Balance at Dec. 31, 2018	$ 150,203,338	$ 37,156,972	$ 236,832	$ 231,305,743	$ (114,757,019)	$ (3,838,690)	$ 99,500
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cost of issuing common stock	(22,383)			(22,383)
Redemption of preferred stock, net (in shares)		(1,610,000)
Redemption of preferred stock, net	(40,250,000)	$ (37,156,972)		(3,093,028)		0
Restricted stock compensation expense	3,773			3,773
Net income (loss)	1,474,767					1,474,767
Common dividends declared	(1,658,136)				(1,658,136)
Preferred dividends declared	(480,472)				(480,472)
Balance (in shares) at Mar. 31, 2019		0	23,687,664
Balance at Mar. 31, 2019	$ 109,270,887	$ 0	$ 236,832	$ 228,194,105	$ (116,895,627)	$ (2,363,923)	$ 99,500