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, 2014	$ 3,103	$ 20	$ 189,268	$ (186,185)	$ 0
Balance (in shares) at Dec. 31, 2014		40,885
Stock-based compensation cost	174	$ 0	174	0	0
Stock-based compensation cost (in shares)		0
Net loss	(2,771)	$ 0	0	(2,771)	0
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