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Note 5 - Fair Value Measurements (Details Textual) - USD ($) $ in Millions | 6 Months Ended
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Jun. 30, 2022 | Jun. 30, 2021
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability | $ 0.5 |
Acculogic [Member] |  |
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability | $ 0.5 |

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- Definition Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=126975305&loc=d3e7008-128479 + Details
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Balance Type: | debit
Period Type: | duration

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- Details
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Balance Type: |
Period Type: |