CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Noncontrolling Interest [Member]
Balance at Dec. 31, 2013	$ 7,217	$ 20	$ 189,215	$ (182,018)	$ 0
Balance (in shares) at Dec. 31, 2013		40,885
Stock-based compensation cost	53	$ 0	53	0	0
Stock-based compensation cost (in shares)		0
Net loss	(4,167)	$ 0	0	(4,167)	0
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