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, 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		697		697
Share-based compensation related to restricted stock award		68		68
Share-based compensation related to restricted stock award (in shares)	[1]		7,843
Exercise of options	[2]
Exercise of options (in shares)	[1]		122,162
Net loss from continuing operations		(26,552)			(26,552)
Net loss from discontinued operations		(189)			(189)
Balance at Sep. 30, 2016		(15,103)	$ 100	194,829	(210,032)
Balance (in shares) at Sep. 30, 2016	[1]		99,930,402
Balance at Dec. 31, 2016		(9,957)	$ 124	202,575	(212,656)
Balance (in shares) at Dec. 31, 2016	[1]		124,134,085
Share-based compensation related to stock options		291		291
Reclassification of embedded derivative		43,634		43,634
Convertible notes conversions		8,781	$ 10	8,771
Convertible notes conversions (in shares)	[1]		9,711,235
Conversion component related to convertible notes issuance		1,315		1,315
Net loss from continuing operations		(70,135)			(70,135)
Net loss from discontinued operations		0
Balance at Sep. 30, 2017		$ (26,071)	$ 134	$ 256,586	$ (282,791)
Balance (in shares) at Sep. 30, 2017	[1]		133,845,320

[1] Common Stock, $0.001 par value; Authorized – as of September 30, 2017 and 2016 - 250,000,000.

[2] Represents an amount less than $1.