Consolidated Statements of Equity - USD ($) $ in Thousands	Total	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Deficit [Member]	Non-controlling Interest [Member]
Beginning balance at Dec. 31, 2019	$ 51,436		$ 216	$ 53,059	$ (1,890)	$ 51
Beginning balance (in shares) at Dec. 31, 2019		500	21,587,336
Net loss	(2,436)				(2,075)	(361)
Ending balance at Mar. 31, 2020	49,000		$ 216	53,059	(3,965)	(310)
Ending balance (in shares) at Mar. 31, 2020		500	21,587,336
Beginning balance at Dec. 31, 2020	43,484		$ 225	54,622	(10,035)	(1,328)
Beginning balance (in shares) at Dec. 31, 2020		500	22,624,679
Stock-based compensation	21			21
Tax effect of change in ownership percentage of OP	(16)			(16)
Net loss	(1,942)				(1,677)	(265)
Ending balance at Mar. 31, 2021	$ 41,547		$ 225	$ 54,627	$ (11,712)	$ (1,593)
Ending balance (in shares) at Mar. 31, 2021		500	22,624,679