Note 10 - Leases - Schedule of Lease Cost (Details) $ in Thousands |
3 Months Ended | 6 Months Ended | |||||
|---|---|---|---|---|---|---|---|
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Jun. 30, 2026
EUR (€)
|
Jun. 30, 2026
USD ($)
|
Jun. 30, 2026
USD ($)
|
Jun. 30, 2025
USD ($)
|
Jun. 30, 2026
EUR (€)
|
Apr. 30, 2026
USD ($)
|
Dec. 31, 2025
USD ($)
|
|
| Operating lease cost | € 16 | $ 16 | $ 16 | ||||
| Operating Lease, Right-of-Use Asset | $ 631 | $ 631 | € 549,522 | $ 645 | $ 0 | ||
| Weighted-average remaining lease term (in years) (Year) | 4 years 9 months 29 days | 4 years 9 months 29 days | 4 years 9 months 29 days | ||||
| Operating lease liability, current portion | $ 90 | $ 90 | |||||
| Operating Lease, Weighted Average Discount Rate, Percent | 18.00% | 18.00% | 18.00% | ||||
| Variable lease cost | $ 2 | $ 2 | |||||
| Right-of-use asset obtained in exchange for operating lease liability | 645 | 645 | $ 0 | ||||
| Operating lease liability, non-current portion | 541 | 541 | |||||
| Total operating lease liability | 631 | 631 | € 549,522 | $ 645 | $ 0 | ||
| Short-term lease cost | 0 | 0 | |||||
| Total lease cost | $ 18 | $ 18 | |||||
| X | ||||||||||
- Definition Amount of lease cost recognized by lessee for lease contract. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Present value of lessee's discounted obligation for lease payments from operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as current. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of lessee's right to use underlying asset under operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Weighted average discount rate for operating lease calculated at point in time. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of increase in right-of-use asset obtained in exchange for operating lease liability. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of short-term lease cost, excluding expense for lease with term of one month or less. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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