Consolidated Statements of Equity - USD ($) shares in Thousands, $ in Thousands	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Deficit [Member]	Parent [Member]	Noncontrolling Interest [Member]	Total
Balance at Dec. 31, 2018	$ 10,050	$ 119	$ 231,805	$ (134,970)	$ 107,004	$ 848	$ 107,852
Balance, shares at Dec. 31, 2018	925	11,886
Stock-based compensation			594		594		594
Stock-based compensation, shares		25
Dividends and distributions declared
Common Stock				(4,647)	(4,647)		(4,647)
Series E Preferred				(289)	(289)		(289)
Common unit						(22)	(22)
Redemption of common units			6		6	(48)	(42)
Net loss				(1,248)	(1,248)	(7)	(1,255)
Balance at Jun. 30, 2019	$ 10,050	$ 119	232,405	(141,154)	101,420	771	102,191
Balance, shares at Jun. 30, 2019	925	11,911
Balance at Mar. 31, 2019	$ 10,050	$ 119	232,082	(137,423)	104,828	788	105,616
Balance, shares at Mar. 31, 2019	925	11,918
Stock-based compensation			323		323		323
Stock-based compensation, shares		(7)
Dividends and distributions declared
Common Stock				(2,323)	(2,323)		(2,323)
Series E Preferred				(144)	(144)		(144)
Common unit						(11)	(11)
Redemption of common units
Net loss				(1,264)	(1,264)	(6)	(1,270)
Balance at Jun. 30, 2019	$ 10,050	$ 119	232,405	(141,154)	101,420	771	102,191
Balance, shares at Jun. 30, 2019	925	11,911
Balance at Dec. 31, 2019	$ 10,050	$ 120	233,189	(147,582)	95,777	49	95,826
Balance, shares at Dec. 31, 2019	925	11,994
Stock-based compensation			146		146		146
Stock-based compensation, shares		9
Dividends and distributions declared
Series E Preferred				(289)	(289)		(289)
Net loss				(9,220)	(9,220)	(3)	(9,223)
Balance at Jun. 30, 2020	$ 10,050	$ 120	233,335	(157,091)	86,414	46	86,460
Balance, shares at Jun. 30, 2020	925	12,003
Balance at Mar. 31, 2020	$ 10,050	$ 120	233,258	(150,751)	92,677	48	92,725
Balance, shares at Mar. 31, 2020	925	11,996
Stock-based compensation			77		77		77
Stock-based compensation, shares		7
Dividends and distributions declared
Series E Preferred				(144)	(144)		(144)
Net loss				(6,196)	(6,196)	(2)	(6,198)
Balance at Jun. 30, 2020	$ 10,050	$ 120	$ 233,335	$ (157,091)	$ 86,414	$ 46	$ 86,460
Balance, shares at Jun. 30, 2020	925	12,003