Convertible Preferred Stock (Details) - $ / shares	Sep. 30, 2015	Jul. 31, 2015	Dec. 31, 2014
Convertible Preferred Stock Disclosure
Convertible preferred stock (in shares)	0	31,397,221	31,397,000
Authorized common stock (in shares)	750,000,000		82,000,000
Authorized preferred stock (in shares)	50,000,000
Common stock, par value (in dollars per share)	$ 0.0001		$ 0.0001
Preferred stock, par value (in dollars per share)	$ 0.0001