Note 12 - Commitments and Contingencies (Details Textual) - USD ($) $ in Thousands	3 Months Ended	27 Months Ended
Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2026	Dec. 31, 2025	Dec. 31, 2024
Revenue from Contract with Customer, Including Assessed Tax	$ 485	$ 43
Contract with Customer, Liability	$ 208	$ 13	$ 208	$ 249	$ 13
Israeli Innovation Authority (“IIA”) [Member] \| Grant [Member]
Revenue from Contract with Customer, Including Assessed Tax			$ 0
Israeli Innovation Authority (“IIA”) [Member] \| Royalty [Member]
Research Agreement, Royalty Percentage	3.00%		3.00%
Contract with Customer, Liability	$ 0		$ 0	0
Contract With Customer, Contingent Liability	$ 5,861		$ 5,861	$ 5,835

Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 40
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-40

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
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Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
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-URI https://asc.fasb.org/1943274/2147482810/280-10-50-22

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
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Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
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Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Topic 270
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Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Topic 924
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-Name Accounting Standards Codification
-Section S99
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-Publisher FASB
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Reference 11: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
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-URI https://asc.fasb.org/1943274/2147479806/606-10-50-5

Reference 12: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
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-Paragraph 4
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-4

+ Details