Net Loss Attributable to Common Stockholders (Tables)

6 Months Ended

Jun. 30, 2016

Earnings Per Share [Abstract]

Schedule of Antidilutive Securities

The potentially dilutive securities excluded from the determination of diluted loss per share, as their effect is antidilutive, are as follows:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2016		2015		2016		2015
Service Period Stock Options		2,149,748		2,004,957		2,063,021		2,011,236
Restricted Stock Units		59,022		—		29,511		—
Warrants		61,117		61,117		61,117		61,117
Total		2,269,887		2,066,074		2,153,649		2,072,353