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, 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 for the period		(70,135)				(70,135)
Balance at Sep. 30, 2017		(26,071)	$ 134		256,586	(282,791)
Balance (in shares) at Sep. 30, 2017	[1]		133,845,320
Balance at Dec. 31, 2017		(29,457)	$ 144		266,495	(296,096)
Balance (in shares) at Dec. 31, 2017	[1]		143,728,797
Share-based compensation related to stock options		80			80
Share-based compensation related to restricted stock award		16		[2]	16
Share-based compensation related to restricted stock award (in shares)	[1]		29,898
Convertible notes conversions		1,291	$ 2		1,289
Convertible notes conversions (in shares)	[1]		1,928,907
Convertible notes exchange		1,150	$ 2		1,148
Convertible notes exchange (in shares)	[1]		2,613,636
Net loss for the period		(21,023)				(21,023)
Balance at Sep. 30, 2018		$ (47,943)	$ 148		$ 269,028	$ (317,119)
Balance (in shares) at Sep. 30, 2018	[1]		148,301,238

[1] Common Stock, $0.001 par value; Authorized – as of September 30, 2018 and 2017 - 250,000,000.

[2] Represents an amount less than $1.