Consolidated Statements Of Equity - USD ($) shares in Thousands, $ in Thousands	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Deficit [Member]	Total Shareholders' Equity [Member]	Noncontrolling Interest [Member]	Total
Balance at Dec. 31, 2014	$ 38	$ 47	$ 137,900	$ (118,983)	$ 19,002	$ 90	$ 19,092
Balance, shares at Dec. 31, 2014	3,803	4,693
Stock-based compensation			66		66		66
Stock-based compensation, shares		7
Long-term incentive plan						57	57
Issuance of common stock		$ 2	344		346		346
Issuance of common stock, shares		228
Net earnings (loss)				(2,446)	(2,446)	(3)	(2,449)
Balance at Jun. 30, 2015	$ 38	$ 49	138,310	(121,429)	16,968	144	17,112
Balance, shares at Jun. 30, 2015	3,803	4,928
Balance at Dec. 31, 2015	$ 38	$ 49	138,387	(105,858)	32,616	1,879	34,495
Balance, shares at Dec. 31, 2015	3,803	4,942
Stock-based compensation			54		54		54
Long-term incentive plan						85	85
Preferred dividends declared				(1,139)	(1,139)		(1,139)
Redemption of Series A and Series B Preferred Stock	$ (8)		(7,390)	(5,107)	(12,505)		(12,505)
Redemption of Series A and Series B Preferred Stock, shares	(803)
Exchange of Series C Preferred and issuance of Series D Preferred Stock	$ 61,351		(12,517)	(20,417)	28,417		28,417
Exchange of Series C Preferred and issuance of Series D Preferred Stock, shares	3,245
Net earnings (loss)				15,463	15,463	567	16,030
Balance at Jun. 30, 2016	$ 61,381	$ 49	$ 118,534	$ (117,058)	$ 62,906	$ 2,531	$ 65,437
Balance, shares at Jun. 30, 2016	6,245	4,942