Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2015

Accounting Policies [Abstract]

Schedule of Potentially Dilutive Securities Excluded from Calculation of Diluted Net Loss Per Share

The following table sets forth the outstanding potentially dilutive securities, as adjusted retroactively reflecting the exchange for Regado shares, that have been excluded in the calculation of diluted net loss per share because including such would be anti-dilutive (in common stock equivalent shares):

	Three and Nine Months Ended September 30,
	2015		2014
Common stock options		2,373,996		1,324,297
Warrants to purchase preferred stock		64,657		901,987
Convertible preferred stock		—		5,559,977
Convertible notes		—		3,304,252
Total		2,438,653		11,090,513