Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Treasury Stock	Accumulated Deficit	Total Vaccinex, Inc. Stockholders? Equity (Deficit)	Noncontrolling Interests
Balance at Dec. 31, 2020	$ (2,612)	$ 3	$ 250,914	$ (11)	$ (277,481)	$ (26,575)	$ 23,963
Balance, Shares at Dec. 31, 2020		22,388,027		852
Issuance of Common Shares	31,863		31,863			31,863
Issuance of Common Shares, Shares		5,937,900
Stock-based compensation	104		104			104
Shares issued for compensation, Shares		9,979
Exchange of Vaccinex Products LP Units/ partnership units for common shares			2,000			2,000	(2,000)
Exchange of VX3 Units for common shares, Shares		109,900
Net loss	(6,574)				(6,574)	(6,574)
Balance at Mar. 31, 2021	22,781	$ 3	284,881	$ (11)	(284,055)	818	21,963
Balance, Shares at Mar. 31, 2021		28,445,806		852
Balance at Dec. 31, 2020	(2,612)	$ 3	250,914	$ (11)	(277,481)	(26,575)	23,963
Balance, Shares at Dec. 31, 2020		22,388,027		852
Net loss	(12,543)
Balance at Jun. 30, 2021	16,940	$ 3	306,972	$ (11)	(290,024)	16,940
Balance, Shares at Jun. 30, 2021		30,801,962		852
Balance at Mar. 31, 2021	22,781	$ 3	284,881	$ (11)	(284,055)	818	21,963
Balance, Shares at Mar. 31, 2021		28,445,806		852
Stock-based compensation	128		128			128
Exchange of Vaccinex Products LP Units/ partnership units for common shares			21,963			21,963	$ (21,963)
Exchange of VX3 Units for common shares, Shares		2,356,156
Net loss	(5,969)				(5,969)	(5,969)
Balance at Jun. 30, 2021	16,940	$ 3	306,972	$ (11)	(290,024)	16,940
Balance, Shares at Jun. 30, 2021		30,801,962		852
Balance at Dec. 31, 2021	7,412	$ 3	307,281	$ (11)	(299,861)	7,412
Balance, Shares at Dec. 31, 2021		30,801,962		852
Issuance of Common Shares	13,230	$ 1	13,229			13,230
Issuance of Common Shares, Shares		11,862,941
Stock-based compensation	141		141			141
Net loss	(4,595)				(4,595)	(4,595)
Balance at Mar. 31, 2022	16,188	$ 4	320,651	$ (11)	(304,456)	16,188
Balance, Shares at Mar. 31, 2022		42,664,903		852
Balance at Dec. 31, 2021	7,412	$ 3	307,281	$ (11)	(299,861)	7,412
Balance, Shares at Dec. 31, 2021		30,801,962		852
Net loss	(9,978)
Balance at Jun. 30, 2022	10,943	$ 4	320,789	$ (11)	(309,839)	10,943
Balance, Shares at Jun. 30, 2022		42,664,903		852
Balance at Mar. 31, 2022	16,188	$ 4	320,651	$ (11)	(304,456)	16,188
Balance, Shares at Mar. 31, 2022		42,664,903		852
Stock-based compensation	138		138			138
Net loss	(5,383)				(5,383)	(5,383)
Balance at Jun. 30, 2022	$ 10,943	$ 4	$ 320,789	$ (11)	$ (309,839)	$ 10,943
Balance, Shares at Jun. 30, 2022		42,664,903		852