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Note 15 - Subsequent Event (Details Textual) - Geovox [Member] - USD ($) $ in Millions | Jun. 01, 2027 | Aug. 01, 2025
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Forecast [Member] |  |
Business Combination, Consideration Transferred, Liabilities Incurred | $ 0.2 |
Subsequent Event [Member] |  |
BusinessCombination, ConsiderationTransferred, Cash Value |  | $ 1.7
Payments to Acquire Businesses, Gross |  | 1.5
Business Combination, Contingent Consideration, Range of Outcomes, Maximum, Amount |  | $ 3.3
Business Combination, Contingent Consideration, Earn Out Period (Year) |  | 4 years

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- Definition Period for earn out of contingent consideration of a business combination. + References No definition available. + Details
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- Definition Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 805 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479328/805-10-50-8 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 805 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 41 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479303/805-10-55-41 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 805 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479581/805-30-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 805 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479581/805-30-50-1 + Details
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