Net Loss per Share (Tables)

3 Months Ended

Mar. 31, 2018

Potential Dilutive Shares Excluded from Computation of Diluted Net Loss Per Share

Basic net loss per share is computed by dividing net loss by the weighted average number of shares of common stock outstanding for the period. The Company’s potentially dilutive shares, which include outstanding common stock options, unvested restricted stock and preferred stock, have not been included in the computation of diluted net loss per share for any of the periods presented as the result would be anti-dilutive. Such potentially dilutive shares of common stock at March 31, 2018 and 2017 consisted of the following:


	March 31,
	2018		2017
Stock options		3,822,968		3,539,669
Unvested restricted stock		1,532,201		1,680,492
Preferred stock		35,152,089		20,507,501

		40,507,258		25,727,662