Note 8 - Leases (Details Textual) - USD ($) |
Dec. 09, 2025 |
Mar. 31, 2026 |
Dec. 31, 2025 |
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|---|---|---|---|---|---|
| Operating Lease and Finance lease, Right-of-Use Asset | [1] | $ 377,000 | $ 442,000 | ||
| Operating Lease, Liability | 386,000 | ||||
| Finance Lease, Liability | $ 132,000 | ||||
| Real Estate Lease One [Member] | |||||
| Lessee, Operating Lease, Term of Contract (Month) | 36 months | ||||
| Real Estate Lease Two [Member] | |||||
| Lessee, Operating Lease, Term of Contract (Month) | 37 months | ||||
| Innovation Center [Member] | |||||
| Incremental Borrowing Rate | 9.26% | ||||
| Operating Lease, Right-of-Use Asset, Increase/Decrease | $ 147,000 | ||||
| Increase (Decrease) in Operating Lease Liability | $ 159,000 | ||||
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| X | ||||||||||
- Definition Represents the incremental borrowing rate. No definition available.
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| X | ||||||||||
- Definition Amount of lessee's right to use underlying asset under operating lease and finance lease. No definition available.
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| X | ||||||||||
- Definition Represents the increase/decrease in right-of-use assets for operating leases during the period. No definition available.
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| X | ||||||||||
- Definition Present value of lessee's discounted obligation for lease payments from finance lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of increase (decrease) in obligation for operating lease. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Term of lessee's 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/2009/role/commonPracticeRef
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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 | ||||||||||
- Details
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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