Preferred Stock (Details) (USD $)	Jun. 30, 2012	Dec. 31, 2011
Preferred Stock (Textual) [Abstract]
Authorized preferred stock	8,000,000
Par value of preferred stock	0.0001
Series C-1 Preferred Stock [Member]
Preferred Stock (Textual) [Abstract]
Authorized preferred stock	11,000
Preferred Stock Issued	5,392	5,043
Preferred stock outstanding		5,043
Series C-2 Preferred Stock [Member]
Preferred Stock (Textual) [Abstract]
Authorized preferred stock	22,000
Series D-1 Preferred Stock [Member]
Preferred Stock (Textual) [Abstract]
Authorized preferred stock	5,134
Preferred stock outstanding	3,595
Series D-2 Preferred Stock [Member]
Preferred Stock (Textual) [Abstract]
Authorized preferred stock	10,868