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			271		271		271
Stock-based compensation, shares		32
Dividends and distributions declared and undeclared
Series E Preferred dividends declared and undeclared				(145)	(145)		(145)
Common Stock ($0.195 per share)				(2,324)	(2,324)		(2,324)
Common unit distribution declared ($0.00375 per unit)						(11)	(11)
Redemption of common units			6		6	(48)	(42)
Net earnings (loss)				16	16	(1)	15
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
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			69		69		69
Stock-based compensation, shares		2
Dividends and distributions declared and undeclared
Series E Preferred dividends declared and undeclared				(145)	(145)		(145)
Net earnings (loss)				(3,024)	(3,024)	(1)	(3,025)
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