Net Loss Per Share (Tables)

3 Months Ended

Mar. 31, 2018

Schedule of Anti-dilutive Effect Excluded from Computation of Diluted Net Loss Per Share Attributable to Common Stockholders

The Company excluded the following potential common shares, presented based on amounts outstanding at March 31, 2018 and 2017, from the computation of diluted net loss per share attributable to common stockholders because including them would have had an anti-dilutive effect:

	Three Months Ended March 31,
	2018		2017
Convertible preferred shares (as converted to common stock)		24,168,656		11,831,489
Unvested common stock from early exercise of options		230,961		618,742
Stock options to purchase common stock		2,684,405		734,218
Total		27,084,022		13,184,449