Consolidated Statements of Equity - USD ($) $ 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				925,000	11,834,000
Stock-based compensation						722		722		722
Stock-based compensation, shares					22,000
Issuance of common stock					$ 1	259		260		260
Issuance of common stock, shares					28,000
Issuance of common units									50	50
Dividends and distributions declared and undelcared: Common Stock (per share)							(6,950)	(6,950)		(6,950)
Dividends and distributions declared and undelcared: Preferred Stock	$ (434)	$ (434)	$ (434)
Dividends and distributions declared and undelcared: Common Units									(54)	(54)
Redemption of common units						42		42	(202)	(160)
Net earnings (loss)							6,330	6,330	47	6,377
Balance at Sep. 30, 2018				$ 10,050	$ 119	231,750	(131,543)	110,376	1,249	111,625
Balance, shares at Sep. 30, 2018				925,000	11,884,000
Balance at Jun. 30, 2018				$ 10,050	$ 119	231,474	(131,739)	109,904	1,449	111,353
Balance, shares at Jun. 30, 2018				925,000	11,882,000
Stock-based compensation						232		232		232
Stock-based compensation, shares					2,000
Issuance of common stock						2		2		2
Dividends and distributions declared and undelcared: Common Stock (per share)							(2,317)	(2,317)		(2,317)
Dividends and distributions declared and undelcared: Preferred Stock	(145)	(145)	(145)
Dividends and distributions declared and undelcared: Common Units									(18)	(18)
Redemption of common units						42		42	(202)	(160)
Net earnings (loss)							2,658	2,658	20	2,678
Balance at Sep. 30, 2018				$ 10,050	$ 119	231,750	(131,543)	110,376	1,249	111,625
Balance, shares at Sep. 30, 2018				925,000	11,884,000
Balance at Dec. 31, 2018				$ 10,050	$ 119	231,805	(134,970)	107,004	848	107,852
Balance, shares at Dec. 31, 2018				925,000	11,886,000
Stock-based compensation						720		720		720
Stock-based compensation, shares					29,000
Dividends and distributions declared and undelcared: Common Stock (per share)							(4,647)	(4,647)		(4,647)
Dividends and distributions declared and undelcared: Preferred Stock	(434)	(434)	(434)
Dividends and distributions declared and undelcared: Common Units									(22)	(22)
Redemption of common units						102		102	(144)	(42)
Redemption of common units, shares					2,000
Net earnings (loss)							(3,226)	(3,226)	(17)	(3,243)
Balance at Sep. 30, 2019				$ 10,050	$ 119	232,627	(143,277)	99,519	665	100,184
Balance, shares at Sep. 30, 2019				925,000	11,917,000
Balance at Jun. 30, 2019				$ 10,050	$ 119	232,405	(141,154)	101,420	771	102,191
Balance, shares at Jun. 30, 2019				925,000	11,911,000
Stock-based compensation					$ 4	126		126		126
Dividends and distributions declared and undelcared: Preferred Stock	$ (145)	$ (145)	$ (145)
Redemption of common units						96		96	(96)
Redemption of common units, shares					2,000					1,765
Net earnings (loss)							(1,978)	(1,978)	(10)	$ (1,988)
Balance at Sep. 30, 2019				$ 10,050	$ 119	$ 232,627	$ (143,277)	$ 99,519	$ 665	$ 100,184
Balance, shares at Sep. 30, 2019				925,000	11,917,000