Net Loss Per Share Attributable to Common Stockholders (Tables)

6 Months Ended

Jun. 30, 2020

Earnings Per Share [Abstract]

Weighted-Average Common Stock Equivalents Excluded from Calculation of Diluted Net Loss Per Share as They Had Anti-Dilutive Effect

The following weighted-average common stock equivalents were excluded from the calculation of diluted net loss per share for the periods presented as they had an anti-dilutive effect:

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
Options to purchase common stock		780,856		546,068		688,837		489,059
Contingently issuable common stock upon exchange of    Vaccinex Products, LP units		1,170,010		1,199,021		1,171,755		1,200,794
Contingently issuable common stock upon exchange of    VX3 units		1,318,797		1,318,797		1,318,797		1,318,797