XML 73 R60.htm IDEA: XBRL DOCUMENT
v3.24.2.u1

SCHEDULE OF WARRANTS OUTSTANDING (Details) shares in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2024 $ / shares shares
Class of Warrant or Right [Line Items] |
Warrants Outstanding | 20,386
Q1-22 Warrants [Member] |
Class of Warrant or Right [Line Items] |
Warrants Outstanding | 343
Exercise Price | $ / shares | $ 38.20
Expiration Date | Sep. 09, 2027
Q4-22 Warrants [Member] |
Class of Warrant or Right [Line Items] |
Warrants Outstanding | 4,370
Exercise Price | $ / shares | $ 1.43
Expiration Date | Jun. 02, 2028
July 2023 Note Warrants [Member] |
Class of Warrant or Right [Line Items] |
Warrants Outstanding | 6,094
Exercise Price | $ / shares | $ 1.43
Expiration Date | Jul. 14, 2028
December 2023 Note Warrant Issued December 15, 2023 [Member] |
Class of Warrant or Right [Line Items] |
Warrants Outstanding | 8,115
Exercise Price | $ / shares | $ 1.43
Expiration Date | Dec. 15, 2028
December 2023 Note Warrant Issued January 11, 2024 [Member] |
Class of Warrant or Right [Line Items] |
Warrants Outstanding | 1,464
Exercise Price | $ / shares | $ 1.43
Expiration Date | Jan. 11, 2029

X
- Definition Class of warrant or right expiration date. + References No definition available. + Details
Name: | ERNA_ClassOfWarrantOrRightExpirationDate
Namespace Prefix: | ERNA_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-3 + Details
Name: | us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ClassOfWarrantOrRightLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of warrants or rights outstanding. + References No definition available. + Details
Name: | us-gaap_ClassOfWarrantOrRightOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=ERNA_CommonWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=ERNA_CommonWarrantsOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=ERNA_July2023WarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=ERNA_December2023NoteWarrantIssuedDecember152023Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=ERNA_December2023NoteWarrantIssuedJanuary112024Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |