Commitments and Contingencies (Details Textual)	12 Months Ended
	Dec. 31, 2012
New York Office [Member]
Lease Expiration Date	Dec. 31, 2015
California Office1 [Member]
Lease Expiration Date	Sep. 30, 2013
California Office2 [Member]
Lease Expiration Date	Dec. 11, 2015
California Office3 [Member]
Lease Expiration Date	Jul. 31, 2016