Consolidated Statements Changes in Equity (Capital Deficiency) (Unaudited) (USD $) In Thousands, except Share data	Ordinary Shares		Additional paid-in capital	Accumulated deficit	Total
BALANCE at Dec. 31, 2009	$ 5		$ 17,212	$ (18,556)	$ (1,339)
BALANCE (in shares) at Dec. 31, 2009	48,338,380
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss				(2,239)	(2,239)
Employee and non-employee share-based compensation			1,796		1,796
Issuance of warrants, net of issuance cost	0	[1]	1,345		1,345
Issuance of ordinary shares, net of issuance cost (in shares)	1,152,080
BALANCE at Sep. 30, 2010	5		20,353	(20,795)	(437)
BALANCE (in shares) at Sep. 30, 2010	49,490,460
BALANCE at Dec. 31, 2009	5		17,212	(18,556)	(1,339)
BALANCE (in shares) at Dec. 31, 2009	48,338,380
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss				(3,420)	(3,420)
Employee and non-employee share-based compensation			1,640		1,640
Issuance of warrants, net of issuance cost			424		424
Issuance of ordinary shares and warrants, net of issuance costs	0	[1]	1,781		1,781
Issuance of ordinary shares and warrants, net of issuance costs (in shares)	1,525,421
BALANCE at Dec. 31, 2010	5		21,057	(21,976)	(914)
BALANCE (in shares) at Dec. 31, 2010	49,863,801
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss				(6,432)	(6,432)
Employee and non-employee share-based compensation			4,834		4,834
Issuance of warrants, net of issuance cost	0	[1]	805		805
Issuance of ordinary shares, net of issuance cost (in shares)	896,651
Issuance of ordinary shares and warrants, net of issuance costs	1		7,653		7,654
Issuance of ordinary shares and warrants, net of issuance costs (in shares)	12,992,269
Exercise of options	0		1,500		1,500
Exercise of options (in shares)	1,000,000
Conversion of convertible loans	0	[1]	768		768
Conversion of convertible loans (in shares)	526,225
BALANCE at Sep. 30, 2011	$ 6		$ 36,617	$ (28,408)	$ 8,215
BALANCE (in shares) at Sep. 30, 2011	65,278,946

[1] * Represents an amount less than $1,000