Commitments and Contingencies (Details Textual) (USD $) In Thousands, unless otherwise specified	0 Months Ended	12 Months Ended
Dec. 31, 2014 sqft	Mar. 21, 2014 sqft	Mar. 15, 2013 sqft	Dec. 31, 2014	Dec. 31, 2013
Commitments and Contingencies Disclosure [Abstract]
Office area	3,713	1,759	1,954
Total rental expenses				$ 176us-gaap_LeaseAndRentalExpense	$ 84us-gaap_LeaseAndRentalExpense

Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

No definition available.

Name:	us-gaap_LeaseAndRentalExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration