Operating leases, commitments and security deposit (Details Textual) (USD $) In Thousands, except Share data, unless otherwise specified	1 Months Ended		3 Months Ended		1 Months Ended	3 Months Ended		1 Months Ended
	May 31, 2012	Sep. 30, 2011	Mar. 31, 2013	Mar. 31, 2012	Oct. 26, 2012 Service Agreements [Member]	Mar. 31, 2013 Mgt [Member]	Mar. 31, 2012 Mgt [Member]	Nov. 30, 2012 Series Convertible Preferred Stock [Member]
Operating Leases Expenses For Rental Deposit Total		$ 240
Operating Leases Rental Payments Terms		39 months
Lease Expiration Date		Nov. 30, 2014
Payments For Financial Advisory and Consulting Agreement	5
Loss Contingency, Settlement Agreement, Terms	one-year consulting agreement				one-year financial advisory and consulting agreement
Refundable Rental Deposit		39
Cash Consideration Payable Towards Consulting Agreement					250
Issuance Of Restricted Stock					120,000
Payment Towards Consultation Services			62	0
Operating Leases, Rent Expense, Net			17	36
Service Agreements Expenses Incurred During Period						100	0
Expenses To Be Incurred Towards Services Over Agreement Period								$ 444