Consolidated Statement of Shareholders' Equity (Unaudited) - 6 months ended Jun. 30, 2018 - USD ($) $ in Thousands	Preferred Stock [Member]	Common Stock [Member]	Warrant [Member]	Additional Paid-in Capital [Member]	AOCI Attributable to Parent [Member]	Noncontrolling Interest [Member]	Total
Balance (in shares) at Dec. 31, 2017	0	908,768,116
Balance at Dec. 31, 2017		$ 909	$ 18,179	$ 277,924	$ (245,376)	$ (73)	$ 51,563
Stock option exercises (in shares)	0	470,893
Stock option exercises				47			47
Stock-based compensation				547			547
Net loss					(4,297)		(4,297)
Balance (in shares) at Jun. 30, 2018	0	909,239,009
Balance at Jun. 30, 2018		$ 909	$ 18,179	$ 278,518	$ (249,673)	$ (73)	$ 47,860