Commitments and Contingencies (Details Textual) (USD $)	1 Months Ended		12 Months Ended
	Mar. 25, 2011 sqft	Sep. 20, 2010 sqft	Dec. 31, 2012 sqft Agreement	Dec. 31, 2011	Dec. 31, 2010
Commitments and Contingencies (Textual) [Abstract]
Office lease agreement date	March 25, 2011	September 20, 2010
Located of office premises	2,267	23,834
Rental expense under operating leases			$ 617,000	$ 610,000	$ 318,000
Massachusetts Expires			2017
Office premises Space			2,319
Amended Lease Period			64 months
Number of lease agreements			2