Consolidated Statements of Equity - USD ($) shares in Thousands, $ in Thousands	Series E Preferred Stock [Member] Accumulated Deficit [Member]	Series E Preferred Stock [Member] Parent [Member]	Series E Preferred Stock [Member]	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Deficit [Member]	Parent [Member]	Noncontrolling Interest [Member]	Total
Balance at Dec. 31, 2017				$ 10,050	$ 118	$ 230,727	$ (130,489)	$ 110,406	$ 1,408	$ 111,814
Balance, shares at Dec. 31, 2017				925	11,834
Stock-based compensation					$ 1	490		491		491
Stock-based compensation, shares					20
Issuance of common stock						257		257		257
Issuance of common stock, shares					28
Issuance of common units									50	50
Dividends and distributions declared: Common Stock (per share)							(4,633)	(4,633)		(4,633)
Dividends and distributions declared: Preferred Stock	$ (289)	$ (289)	$ (289)
Dividends and distributions declared: Common Units									(36)	(36)
Net earnings (loss)							3,672	3,672	27	3,699
Balance at Jun. 30, 2018				$ 10,050	$ 119	231,474	(131,739)	109,904	1,449	111,353
Balance, shares at Jun. 30, 2018				925	11,882
Balance at Mar. 31, 2018				$ 10,050	$ 119	231,071	(132,164)	109,076	1,446	110,522
Balance, shares at Mar. 31, 2018				925	11,873
Stock-based compensation						249		249		249
Stock-based compensation, shares					(7)
Issuance of common stock						154		154		154
Issuance of common stock, shares					16
Dividends and distributions declared: Common Stock (per share)							(2,316)	(2,316)		(2,316)
Dividends and distributions declared: Preferred Stock	(145)	(145)	(145)
Dividends and distributions declared: Common Units									(18)	(18)
Net earnings (loss)							2,886	2,886	21	2,907
Balance at Jun. 30, 2018				$ 10,050	$ 119	231,474	(131,739)	109,904	1,449	111,353
Balance, shares at Jun. 30, 2018				925	11,882
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 (per share)							(4,647)	(4,647)		(4,647)
Dividends and distributions declared: Preferred Stock	(289)	(289)	(289)
Dividends and distributions declared: Common Units									(22)	(22)
Redemption of common units						6		6	(48)	(42)
Net earnings (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					$ (7)	323		323		323
Dividends and distributions declared: Common Stock (per share)							(2,323)	(2,323)		(2,323)
Dividends and distributions declared: Preferred Stock	$ (144)	$ (144)	$ (144)
Dividends and distributions declared: Common Units									(11)	(11)
Redemption of common units
Net earnings (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