CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Comprehensive Loss [Member]	Preferred Stock [Member]	Common Stock [Member]	Treasury Stock [Member]	Paid-in Capital [Member]	Retained Earnings [Member]	Non-Controlling Interest [Member]
Balance, at beginning at Dec. 31, 2013	$ 134,861	$ (93,213)	$ 4,908	$ 115	$ (6,395)	$ 102,974	$ (11,795)	$ 45,054
Balance, at beginning (in shares) at Dec. 31, 2013				11,941,174
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	40,173	40,173					30,885	9,288
Distribution to non-controlling interests	(333)					(302)		(31)
Sale of controlling interest	(289)					(289)
Conversion of preferred stock into common stock	7,219		(1,782)	$ 26		8,038		937
Conversion of preferred stock into common stock (in shares)				2,502,230
Series A preferred stock dividend ($1.00 per share)	(2,043)					(2,043)
Balance, at the end at Dec. 31, 2014	179,588	(53,040)	3,126	$ 141	(6,395)	108,378	19,090	55,248
Balance, at the end (in shares) at Dec. 31, 2014				14,443,404
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(3,287)	(3,287)					(1,960)	(1,327)
Contributions from non-controlling interest	11							11
Assumption of non-controlling interests	(470)					(470)
Conversion of preferred stock into common stock	2,263		(921)	$ 15		3,169
Conversion of preferred stock into common stock (in shares)				1,486,741
Series A preferred stock dividend ($1.00 per share)	(1,216)					(1,216)
Balance, at the end at Dec. 31, 2015	176,889	(56,327)	(56,327)	$ 156	(6,395)	109,861	17,130	53,932
Balance, at the end (in shares) at Dec. 31, 2015				15,930,145
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(2,410)	(2,410)					(2,732)	322
Assumption of non-controlling interests	(268)					(268)
Sale of non-controlling interests	3,021			$ 3		3,018
Series A preferred stock dividend ($1.00 per share)	(1,101)					(1,101)
Balance, at the end at Dec. 31, 2016	$ 176,131	$ (58,737)	$ 2,205	$ 159	$ (6,395)	$ 111,510	$ 14,398	$ 54,254
Balance, at the end (in shares) at Dec. 31, 2016				15,930,145