    <SEC-DOCUMENT>0001213900-24-054003-index.html : 20240620
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    <ACCEPTANCE-DATETIME>20240620070140
    ACCESSION NUMBER:		0001213900-24-054003
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		21
    CONFORMED PERIOD OF REPORT:	20240620
    ITEM INFORMATION:		Other Events
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20240620
    DATE AS OF CHANGE:		20240620

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Aldeyra Therapeutics, Inc.
    		CENTRAL INDEX KEY:			0001341235
    		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
    		ORGANIZATION NAME:           	03 Life Sciences
    		IRS NUMBER:				000000000
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-36332
    		FILM NUMBER:		241054030

    	BUSINESS ADDRESS:
    		STREET 1:		131 HARTWELL AVENUE
    		STREET 2:		SUITE 320
    		CITY:			LEXINGTON
    		STATE:			MA
    		ZIP:			02421
    		BUSINESS PHONE:		781-761-4904

    	MAIL ADDRESS:
    		STREET 1:		131 HARTWELL AVENUE
    		STREET 2:		SUITE 320
    		CITY:			LEXINGTON
    		STATE:			MA
    		ZIP:			02421

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	Aldexa Therapeutics, Inc.
    		DATE OF NAME CHANGE:	20130102

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	Neuron Systems Inc
    		DATE OF NAME CHANGE:	20051012
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>ea0208142-8k_aldeyra.htm
    <DESCRIPTION>CURRENT REPORT
    <TEXT>
    Document 1 - file: ea0208142-8k_aldeyra.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>ea020814201ex99-1_aldeyra.htm
    <DESCRIPTION>ALDEYRA THERAPEUTICS, INC. PRESS RELEASE DATED JUNE 20, 2024
    <TEXT>
    Document 2 - file: ea020814201ex99-1_aldeyra.htm

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    <DOCUMENT>
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    <DESCRIPTION>GRAPHIC
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    <SEQUENCE>4
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    <DESCRIPTION>GRAPHIC
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    <SEQUENCE>5
    <FILENAME>ex99-1_003.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
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    <DOCUMENT>
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    <SEQUENCE>6
    <FILENAME>ex99-1_004.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: ex99-1_004.jpg

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    <SEQUENCE>7
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    <DESCRIPTION>GRAPHIC
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    <SEQUENCE>8
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    <DESCRIPTION>GRAPHIC
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    <SEQUENCE>9
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    <DESCRIPTION>GRAPHIC
    <TEXT>
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    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>10
    <FILENAME>aldx-20240620.xsd
    <DESCRIPTION>XBRL SCHEMA FILE
    <TEXT>
    Document 10 - file: aldx-20240620.xsd

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    <DOCUMENT>
    <TYPE>EX-101.LAB
    <SEQUENCE>11
    <FILENAME>aldx-20240620_lab.xml
    <DESCRIPTION>XBRL LABEL FILE
    <TEXT>
    Document 11 - file: aldx-20240620_lab.xml

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    <DOCUMENT>
    <TYPE>EX-101.PRE
    <SEQUENCE>12
    <FILENAME>aldx-20240620_pre.xml
    <DESCRIPTION>XBRL PRESENTATION FILE
    <TEXT>
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    <TYPE>XML
    <SEQUENCE>14
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
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    <DOCUMENT>
    <TYPE>EXCEL
    <SEQUENCE>15
    <FILENAME>Financial_Report.xlsx
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    <TEXT>
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    <TYPE>XML
    <SEQUENCE>16
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    <TEXT>
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    <TYPE>XML
    <SEQUENCE>17
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    <TEXT>
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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>19
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    <TEXT>
    Document 19 - file: FilingSummary.html

    Document 19 - RAW XML: FilingSummary.xml

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    <TYPE>JSON
    <SEQUENCE>21
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    <TEXT>
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    <SEQUENCE>22
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    <TEXT>
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    <SEQUENCE>24
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