Commitments and Contingencies (Details Textual)	3 Months Ended
	Mar. 31, 2013
New York Office [Member]
Lease Expiration Date	Dec. 31, 2015
California Office One [Member]
Lease Expiration Date	Sep. 30, 2013
California Office Two [Member]
Lease Expiration Date	Dec. 11, 2015
California Office Three [Member]
Lease Expiration Date	Jul. 31, 2016