XML 71 R56.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Schedule of Future Lease Payments from Sublease Agreement (Details) $ in Thousands | Dec. 31, 2024 USD ($)
--- | ---
Leases |
2025 | $ 88
2026 | 75
Total payments | $ 163

X
- References No definition available. + Details
Name: | ERNA_DisclosureLeasesAbstract
Namespace Prefix: | ERNA_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Sale leaseback transactions future minimum sublease rentals. + References No definition available. + Details
Name: | ERNA_SaleLeasebackTransactionsFutureMinimumSubleaseRentals
Namespace Prefix: | ERNA_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Sale leaseback transactions future minimum sublease rentals next twelve months. + References No definition available. + Details
Name: | ERNA_SaleLeasebackTransactionsFutureMinimumSubleaseRentalsNextTwelveMonths
Namespace Prefix: | ERNA_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Sale leaseback transactions future minimum sublease rentals within two years. + References No definition available. + Details
Name: | ERNA_SaleLeasebackTransactionsFutureMinimumSubleaseRentalsWithinTwoYears
Namespace Prefix: | ERNA_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant