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v3.23.2

RELATED PARTY TRANSACTIONS (Details) |  |  | 1 Months Ended | 6 Months Ended |
--- | --- | --- | --- | --- | ---
Jul. 12, 2023 USD ($) | Feb. 20, 2023 USD ($) | May 31, 2023 USD ($) | Sep. 30, 2022 USD ($) Installment | Jun. 30, 2023 USD ($) | Sep. 09, 2022 USD ($)
Related Party Transaction [Abstract] |  |  |  |  |  |
Notice period for first termination of contract |  |  |  |  | 120 days |
License agreement automatic renewal term |  |  |  |  | 2 years 6 months |
Percentage of sublicense fees paid before license expiration date |  | 20.00% |  |  |  |
Percentage of sublicense fees received during renewal term |  | 30.00% |  |  |  |
Minimum [Member] |  |  |  |  |  |
Related Party Transaction [Abstract] |  |  |  |  |  |
Sublicense Fees |  | $ 100,000,000 |  |  |  |
Subsequent Event [Member] |  |  |  |  |  |
Related Party Transaction [Abstract] |  |  |  |  |  |
Monthly installment fees amount | $ 400,000 |  |  |  |  |
Percentage of sublicense fees received during renewal term | 20.00% |  |  |  |  |
Subsequent Event [Member] | Maximum [Member] |  |  |  |  |  |
Related Party Transaction [Abstract] |  |  |  |  |  |
License agreement automatic renewal term | 5 years |  |  |  |  |
Subsequent Event [Member] | Minimum [Member] |  |  |  |  |  |
Related Party Transaction [Abstract] |  |  |  |  |  |
License agreement automatic renewal term | 2 years 6 months |  |  |  |  |
Sublicense Fees | $ 6,000,000 |  |  |  |  |
Dr. Fiore [Member] |  |  |  |  |  |
Related Party Transaction [Abstract] |  |  |  |  |  |
Monthly installment fees amount |  |  | $ 20,000 |  |  |
Notice period for first termination of contract |  |  |  |  | 15 days |
Factor Bioscience Inc. [Member] |  |  |  |  |  |
Related Party Transaction [Abstract] |  |  |  |  |  |
Master services agreement, initial fees payable |  |  |  | $ 5,000,000 |  |
Number of monthly installments for fees payable | Installment |  |  |  | 12 |  |
Monthly installment fees amount |  |  |  | $ 400,000 |  |
Monthly master services agreement fees payable initial 12-month |  |  |  | 5,000,000 |  |
Initial license fees obligation |  |  |  | 3,500,000 |  |
Deposit paid to be applied to last month of first work order |  |  |  |  |  | $ 400,000
Notice period for first termination of contract |  |  |  |  | 120 days |
Notice period for superseding termination provisions |  |  |  |  | 30 days |
Agreed waive payment |  |  |  | $ 3,500,000 |  |
Remaining unamortized license fee obligation |  |  |  |  | $ 2,100,000 |

X
- Definition The amount agreed to waive payment as per waiver agreement. + References No definition available. + Details
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- Definition Amount of deposit paid which will be applied to the last month of the first work order. + References No definition available. + Details
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- Definition The amount of initial license fees required to pay including non-refundable fee. + References No definition available. + Details
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Period Type: | duration

X
- Definition The automatic renewal term of license agreement, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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Balance Type: | na
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- Definition The amount agreed to pay an initial fee under Master Services Agreement (or "MSA"). + References No definition available. + Details
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Namespace Prefix: | erna_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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X
- Definition The monthly master service agreement ("MSA") fees payable to related party. + References No definition available. + Details
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X
- Definition The Company may terminate the first work under the MSA on or after the second anniversary of the date of the MSA, subject to providing Factor with prior notice, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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X
- Definition The Master Services Agreement (or "MSA") contains customary confidentiality provisions and representations and warranties of the parties, and the Master Services Agreement (or "MSA") may be terminated by ether party prior notice, subject to any superseding termination provisions contained in a particular work order, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition The number of equal monthly installments for initial fees payable. + References No definition available. + Details
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- Definition Company will pay to Factor of sublicense fees paid before license expiration date. + References No definition available. + Details
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- Definition Company will receive remaining 30% sublicense fees during renewal term. + References No definition available. + Details
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- References No definition available. + Details
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- Definition The amount of required periodic fees payment. + References No definition available. + Details
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- Definition The amount of remaining unamortized license fee obligation. + References No definition available. + Details
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- Definition Sublicense fees required to pay including non-refundable fee. + References No definition available. + Details
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Balance Type: | debit
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- Details
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- Details
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- Details
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