CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Noncontrolling Interest [Member]
Balance at Dec. 31, 2015	$ 506	$ 20	$ 189,442	$ (188,956)	$ 0
Balance (in shares) at Dec. 31, 2015		40,885
Series B-1 Preferred Stock	946				946
Stock-based compensation cost	35	$ 0	35	0	0
Stock-based compensation cost (in shares)		0
Net loss	(1,609)	$ 0	0	(663)	(946)
Balance at Dec. 31, 2016	(122)	$ 20	189,477	(189,619)	0
Balance (in shares) at Dec. 31, 2016		40,885
Sale of Common Stock	1,013	$ 7	1,006
Sale of Common Stock (In Shares)		13,500
Series B-2 Preferred Stock	(15)		(15)
Stock-based compensation cost	0	$ 0		0	0
Stock-based compensation cost (in shares)		0
Net loss	(1,755)	$ 0	0	(1,755)
Balance at Dec. 31, 2017	$ (879)	$ 27	$ 190,468	$ (191,374)	$ 0
Balance (in shares) at Dec. 31, 2017		54,385