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, 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	0	0
Sale of Common Stock (In Shares)		13,500
Series B-2 Preferred Stock	(15)	$ 0	(15)	0	0
Net loss	(1,755)	0	0	(1,755)	0
Balance at Dec. 31, 2017	(879)	$ 27	190,468	(191,374)	0
Balance (in shares) at Dec. 31, 2017		54,385
Stock-based compensation cost	15	$ 0	15	0	0
Net loss	(380)	0	0	(380)	0
Balance at Dec. 31, 2018	$ (1,244)	$ 27	$ 190,483	$ (191,754)	$ 0
Balance (in shares) at Dec. 31, 2018		54,385