Condensed Balance Sheets (Parenthetical) (USD $)	Jun. 30, 2013	Dec. 31, 2012
Statement Condensed Balance Sheets Parenthetical [Line Items]
Common stock, par value	$ 0.0001	$ 0.0001
Common stock, shares authorized	12,000,000,000	12,000,000,000
Common stock, shares issued	30,486,228	14,267,383
Common stock, shares outstanding	30,486,228	14,267,383
Preferred stock, par value	$ 0.0001
Preferred stock, shares authorized	8,000,000
Series C-1 Convertible Preferred Stock
Statement Condensed Balance Sheets Parenthetical [Line Items]
Preferred stock, par value	$ 0.0001	$ 0.0001
Preferred stock, shares authorized	11,000	11,000
Preferred stock, shares issued	6,214	5,792
Preferred stock, shares outstanding	6,214	5,792
Series C-2 Convertible Preferred Stock
Statement Condensed Balance Sheets Parenthetical [Line Items]
Preferred stock, par value	$ 0.0001	$ 0.0001
Preferred stock, shares authorized	22,000	22,000
Preferred stock, shares issued	530	500
Preferred stock, shares outstanding	530	500
Series D-1 Preferred
Statement Condensed Balance Sheets Parenthetical [Line Items]
Preferred stock, par value	$ 0.0001	$ 0.0001
Preferred stock, shares authorized	5,134	5,134
Preferred stock, shares issued	4,568	4,615
Preferred stock, shares outstanding	4,568	4,615