Operating leases, commitments and security deposit (Details Textual) (USD $) In Thousands, except Share data, unless otherwise specified	1 Months Ended		3 Months Ended		6 Months Ended			1 Months Ended	3 Months Ended	6 Months Ended
	Nov. 30, 2012	Sep. 30, 2011	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Oct. 26, 2012	Oct. 26, 2012 Service Agreements [Member]	Jun. 30, 2013 Mgt [Member]	Jun. 30, 2013 Mgt [Member]
Other Commitments [Line Items]
Operating Leases Expenses For Rental Deposit Total	$ 2	$ 240
Operating Leases Rental Payments Terms	24 months	39 months
Lease Expiration Date	Oct. 31, 2014	Nov. 30, 2014
Loss Contingency, Settlement Agreement, Terms								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		124
Operating Leases, Rent Expense, Net			27	36	44	72
Service Agreements Expenses Incurred During Period			76		176				76	176
Security Deposit	$ 2