Operating leases, commitments and security deposit (Details Textual) (USD $) In Thousands, except Share data, unless otherwise specified	1 Months Ended						12 Months Ended			1 Months Ended	12 Months Ended	1 Months Ended	12 Months Ended
	May 31, 2012	Mar. 31, 2012	Feb. 29, 2012	Jan. 31, 2012	Sep. 30, 2011	Aug. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Oct. 26, 2012 Service Agreements [Member]	Nov. 30, 2012 Mgt [Member]	Dec. 31, 2012 Mgt [Member]	Nov. 30, 2012 Series A Convertible Preferred Stock [Member]	Dec. 31, 2012 Series A Convertible Preferred Stock [Member]
Operating Leases, Monthlty Rental Payments			$ 4			$ 13
Operating Leases, Rental Deposit			6			25
Operating Leases Expenses For Rental Deposit Total					240
Operating Leases Rental Payments Terms					39 months
Lease Expiration Date					Nov. 30, 2014
Operating Leases Rental Deposit Refunded				128
Labor and Related Expense				10
Payments For Financial Advisory and Consulting Agreement	5
Loss Contingency, Settlement Agreement, Terms	one-year consulting agreement	one-year financial advisory and consulting agreement		two-year employment agreement
Refundable Rental Deposit					39
Service Agreements Description							the Company was required to enter into investor/public relations service agreements, with terms of seven, ten and twelve months.
Convertible Preferred Stock, Shares Issued upon Conversion (in shares)							1,394,766					100,000
Issuance Of Warrants To Purchase Of Common Stock										400,000			2,760,724
Agreement Terminated Date							Jan. 31, 2013
Reduction In Cash Consideration							108
Cash Consideration Payable Towards Consulting Agreement									250
Issuance Of Restricted Stock									120,000
Payment Towards Consultation Services							42
Operating Leases, Rent Expense, Net							105	515
Service Agreements Expenses Incurred During Period											79
Service Agreements Total Expenses												$ 444