    <SEC-DOCUMENT>0001641172-25-002606-index.html : 20250403
    <SEC-HEADER>0001641172-25-002606.hdr.sgml : 20250403
    <ACCEPTANCE-DATETIME>20250403171738
    ACCESSION NUMBER:		0001641172-25-002606
    CONFORMED SUBMISSION TYPE:	PRE 14A
    PUBLIC DOCUMENT COUNT:		20
    CONFORMED PERIOD OF REPORT:	20241231
    FILED AS OF DATE:		20250403
    DATE AS OF CHANGE:		20250403

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Eterna Therapeutics Inc.
    		CENTRAL INDEX KEY:			0000748592
    		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
    		ORGANIZATION NAME:           	03 Life Sciences
    		EIN:				311103425
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		PRE 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-11460
    		FILM NUMBER:		25810742

    	BUSINESS ADDRESS:
    		STREET 1:		1035 CAMBRIDGE STREET
    		STREET 2:		SUITE 18A
    		CITY:			CAMBRIDGE
    		STATE:			MA
    		ZIP:			02141
    		BUSINESS PHONE:		(617) 798-6700

    	MAIL ADDRESS:
    		STREET 1:		10531 4S COMMONS DRIVE
    		STREET 2:		SUITE 166-550
    		CITY:			SAN DIEGO
    		STATE:			CA
    		ZIP:			92127

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	Brooklyn ImmunoTherapeutics, Inc.
    		DATE OF NAME CHANGE:	20210325

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	NTN BUZZTIME INC
    		DATE OF NAME CHANGE:	20051230

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	NTN COMMUNICATIONS INC
    		DATE OF NAME CHANGE:	19920703
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>PRE 14A
    <SEQUENCE>1
    <FILENAME>formpre14a.htm
    <TEXT>
    Document 1 - file: formpre14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>pre14a_001.jpg
    <TEXT>
    Document 2 - file: pre14a_001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>pre14a_002.jpg
    <TEXT>
    Document 3 - file: pre14a_002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>pre14a_004.jpg
    <TEXT>
    Document 4 - file: pre14a_004.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>proxy_001.jpg
    <TEXT>
    Document 5 - file: proxy_001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>proxy_002.jpg
    <TEXT>
    Document 6 - file: proxy_002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>7
    <FILENAME>erna-20241231.xsd
    <DESCRIPTION>XBRL SCHEMA FILE
    <TEXT>
    Document 7 - file: erna-20241231.xsd

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.DEF
    <SEQUENCE>8
    <FILENAME>erna-20241231_def.xml
    <DESCRIPTION>XBRL DEFINITION FILE
    <TEXT>
    Document 8 - file: erna-20241231_def.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.LAB
    <SEQUENCE>9
    <FILENAME>erna-20241231_lab.xml
    <DESCRIPTION>XBRL LABEL FILE
    <TEXT>
    Document 9 - file: erna-20241231_lab.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.PRE
    <SEQUENCE>10
    <FILENAME>erna-20241231_pre.xml
    <DESCRIPTION>XBRL PRESENTATION FILE
    <TEXT>
    Document 10 - file: erna-20241231_pre.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>12
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 12 - file: R1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>13
    <FILENAME>R2.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 13 - file: R2.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EXCEL
    <SEQUENCE>14
    <FILENAME>Financial_Report.xlsx
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 14 - file: Financial_Report.xlsx

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>15
    <FILENAME>Show.js
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 15 - file: Show.js

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>16
    <FILENAME>report.css
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 16 - file: report.css

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>18
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 18 - file: FilingSummary.html

    Document 18 - RAW XML: FilingSummary.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>JSON
    <SEQUENCE>20
    <FILENAME>MetaLinks.json
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 20 - file: MetaLinks.json

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>ZIP
    <SEQUENCE>21
    <FILENAME>0001641172-25-002606-xbrl.zip
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 21 - file: 0001641172-25-002606-xbrl.zip

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>22
    <FILENAME>formpre14a_htm.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 22 - file: formpre14a_htm.html

    Document 22 - RAW XML: formpre14a_htm.xml

    </DOCUMENT>
    </SEC-DOCUMENT>