Note 2 - Significant Accounting Policies (Details Textual) € in Thousands, $ in Thousands |
12 Months Ended | |||||
|---|---|---|---|---|---|---|
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Dec. 31, 2025
USD ($)
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Dec. 31, 2025
EUR (€)
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Dec. 31, 2024
USD ($)
|
Dec. 31, 2024
EUR (€)
|
Dec. 31, 2025
EUR (€)
|
Dec. 31, 2024
EUR (€)
|
|
| Cash, Uninsured Amount | $ | $ 0 | $ 0 | ||||
| Contract with Customer, Liability | € | € 5 | € 0 | ||||
| Income Tax Expense (Benefit) | € | € 0 | € 0 | ||||
| Number of Operating Segments | 1 | 1 | ||||
| Cash Provided by (Used in) Operating Activity, Including Discontinued Operation | $ (7,300) | € (7,254) | € (14,330) | |||
| Revision of Prior Period, Adjustment [Member] | ||||||
| Cash Provided by (Used in) Operating Activity, Including Discontinued Operation | $ | $ (400) | |||||
| Minimum [Member] | ||||||
| Property, Plant and Equipment, Useful Life | 5 years | 5 years | ||||
| Maximum [Member] | ||||||
| Property, Plant and Equipment, Useful Life | 7 years | 7 years | ||||
| X | ||||||||||
- Definition The amount of cash as of the balance sheet date that is not insured by the Federal Deposit Insurance Corporation. No definition available.
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| X | ||||||||||
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of cash inflow (outflow) from operating activity, including, but not limited to, discontinued operation. Operating activity includes, but is not limited to, transaction, adjustment, and change in value not defined as investing or financing activity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. No definition available.
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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