CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (CAPITAL DEFICIENCY) - USD ($) $ in Thousands		Total	Common Stock [Member]		Additional Paid-in Capital [Member]	Accumulated Deficit [Member]
Balance at Dec. 31, 2014		$ (55,601)	$ 94		$ 185,633	$ (241,328)
Balance (in shares) at Dec. 31, 2014	[1]		93,603,819
Share-based compensation related to stock options		595			595
Share-based compensation related to restricted stock award, net of forfeitures		378			378
Share-based compensation related to restricted stock award, net of forfeitures (in shares)	[1]		(2,501)
Exercise of options		534		[2]	534
Exercise of options (in shares)	[1]		550,000
Net loss from continuing operations		(12,696)				(12,696)
Net income (loss) from discontinued operations		1,653				1,653
Balance at Jun. 30, 2015		(65,137)	$ 94		187,140	(252,371)
Balance (in shares) at Jun. 30, 2015	[1]		94,151,318
Balance at Dec. 31, 2015		10,873	$ 100		194,064	(183,291)
Balance (in shares) at Dec. 31, 2015	[1]		99,800,397
Share-based compensation related to stock options		534			534
Share-based compensation related to restricted stock award, net of forfeitures		68			68
Share-based compensation related to restricted stock award, net of forfeitures (in shares)	[1]		7,843
Net loss from continuing operations		(19,262)				(19,262)
Net income (loss) from discontinued operations		(189)				(189)
Balance at Jun. 30, 2016		$ (7,976)	$ 100		$ 194,666	$ (202,742)
Balance (in shares) at Jun. 30, 2016	[1]		99,808,240

[1] Common Stock, $0.001 par value; Authorized – as of June 30, 2016 and 2015 - 150,000,000 shares.

[2] Represents an amount less than $1.