Consolidated Statements of Cash Flows (Parenthetical) (USD $) In Thousands	9 Months Ended		12 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Dec. 31, 2010
Statement of Cash Flows [Abstract]
Procceeds from issuance of shares and warrants, issuance costs	$ 1,014	$ 25	$ 78
Proceeds from convertible loan, net of issuance costs		$ 60	$ 60