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Note 3 - Acquisition (Details Textual) - USD ($) $ in Thousands | 1 Months Ended | 6 Months Ended
--- | --- | ---
May 31, 2023 | Jun. 30, 2023 | Jun. 30, 2022
Business Combination, Consideration Transferred |  | $ 3,600 | $ (0)
VisiSonics [Member] |  |  |
Business Combination, Consideration Transferred | $ 3,600 |  |
Business Combination, Price of Acquisition, Expected Additional Payment Per Founder | $ 100 |  |
Business Acquisition, Transaction Costs |  | $ 95 |

X
- Definition Expected additional payments per founder for business acquisition. + References No definition available. + Details
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X
- Definition Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition. + References No definition available. + Details
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X
- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 30 -Paragraph 8 -SubTopic 30 -Topic 805 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479637/805-30-30-8 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -SubTopic 30 -Topic 805 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479581/805-30-50-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 30 -Paragraph 7 -SubTopic 30 -Topic 805 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479637/805-30-30-7 + Details
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