XML 45 R31.htm IDEA: XBRL DOCUMENT
v3.26.1

Note 12 - Leases (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2026
Notes Tables |
Lessee, Operating Lease, Disclosure [Table Text Block] |
|  |  | March 31, |  |  | December 31, |
Assets | Classification |  | 2026 |  |  | 2025 |
Operating lease right-of-use assets | Operating lease right-of-use assets, net |  | $ | 301 |  |  | $ | 310 |
Total leased assets |  | $ | 301 |  |  | $ | 310 |
Liabilities |  |  |  |  |  |  |  |  |
Operating lease liabilities, current | Accrued liabilities |  | $ | 75 |  |  | $ | 65 |
Operating lease liabilities, noncurrent | Operating lease liabilities, net of current portion |  |  | 440 |  |  |  | 460 |
Total operating lease liabilities |  | $ | 515 |  |  | $ | 525 |
Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] |
|  | Total |  |  | 2026 (Remainder) |  |  | 2027 |  |  | 2028 |  |  | 2029 |  |  | 2030 |  |  | 2031 and thereafter |
Undiscounted lease payments |  | $ | 684 |  |  | $ | 98 |  |  | $ | 134 |  |  | $ | 138 |  |  | $ | 142 |  |  | $ | 146 |  |  | $ | 25 |
Less: Imputed interest |  |  | (170 | ) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total lease liabilities |  | $ | 515 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

X
- Definition Tabular disclosure for operating lease. + References No definition available. + Details
Name: | eton_LesseeOperatingLeaseDisclosureTableTextBlock
Namespace Prefix: | eton_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-6 + Details
Name: | us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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