Net Loss per Share (Tables)

3 Months Ended

Mar. 31, 2018

Earnings Per Share [Abstract]

Schedule of Anti-dilutive Net Loss Per Share

The following potential common stock equivalents, as calculated using the treasury stock method, were not included in the computation of diluted net loss per share as their effect would have been anti-dilutive due to the net loss incurred (in thousands):

	Three Months Ended March 31,
	2018	2017
Options to purchase common stock	952	1,331
Unvested restricted stock	233	310
Total	1,185	1,641