XML 70 R56.htm IDEA: XBRL DOCUMENT
v3.26.1

Note 14 - Subsequent Events (Details Textual) - USD ($) $ in Thousands |  | 1 Months Ended |
--- | --- | --- | ---
Apr. 09, 2026 | Sep. 30, 2024 | Jun. 30, 2023
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] |  | Secured Overnight Financing Rate (SOFR) [Member] |
The Amended Agreement [Member] | SWK Holdings Corporation [Member] |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 6.75% |
Debt Instrument SOFR Floor Rate |  |  | 5.00%
The Amended Agreement [Member] | SWK Holdings Corporation [Member] | Subsequent Event [Member] |  |  |
Debt Instrument, Basis Spread on Variable Rate | 6.55% |  |
Debt Instrument SOFR Floor Rate | 2.75% |  |
Debt Instrument, Fee Amount | $ 0 |  |

X
- Definition Represents the LIBOR floor rate. + References No definition available. + Details
Name: | eton_DebtInstrumentLIBORFloorRate
Namespace Prefix: | eton_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of the fee that accompanies borrowing money under the debt instrument. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481544/470-10-50-5 + Details
Name: | us-gaap_DebtInstrumentFeeAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Indicates type of variable interest rate on debt instrument. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 470 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477734/942-470-50-3 + Details
Name: | us-gaap_DebtInstrumentVariableInterestRateTypeExtensibleEnumeration
Namespace Prefix: | us-gaap_
Data Type: | enum2:enumerationSetItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_DebtInstrumentAxis=eton_TheAmendedAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LineOfCreditFacilityAxis=eton_SWKHoldingsCorporationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |