CONDENSED CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION [Parenthetical] (USD $)	Jun. 30, 2013	Dec. 31, 2012
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, shares authorized	300,000,000	300,000,000
Common stock, shares issued	118,639,665	5,425,149
Common stock, shares outstanding	118,610,229	5,395,713
Convertible Preferred Stock Series A [Member]
Preferred stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Preferred stock , shares authorized	2,000,000	2,000,000
Preferred stock , shares issued	2,000,000	2,000,000
Preferred stock, shares outstanding	0	0
Preferred stock, liquidation preference	$ 0	$ 0
Convertible Preferred Stock Series B [Member]
Preferred stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Preferred stock , shares authorized	12,500,000	12,500,000
Preferred stock , shares issued	8,750,000	8,750,000
Preferred stock, shares outstanding	0	0
Preferred stock, liquidation preference	0	0
Convertible Preferred Stock Series C [Member]
Preferred stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Preferred stock , shares authorized	14,200,000	14,200,000
Preferred stock , shares issued	11,800,000	11,800,000
Preferred stock, shares outstanding	0	0
Preferred stock, liquidation preference	0	0
Convertible Preferred Stock Series D [Member]
Preferred stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Preferred stock , shares authorized	24,000,000	24,000,000
Preferred stock , shares issued	23,720,916	23,720,916
Preferred stock, shares outstanding	0	17,001,579
Preferred stock, liquidation preference	0	0
Convertible Preferred Stock Series E [Member]
Preferred stock, par value (in dollars per share)	$ 0.0001	$ 7,300,000
Preferred stock , shares authorized	7,300,000	7,300,000
Preferred stock , shares issued	6,825,433	6,825,433
Preferred stock, shares outstanding	0	6,303,799
Preferred stock, liquidation preference	$ 0	$ 0