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Note 6 - Revenue From Contracts With Customers - Disaggregation of Revenues (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Revenue | $ 33,991 | $ 32,558 | $ 63,815 | $ 64,477
Semiconductor Market [Member] |  |  |  |
Revenue | 10,124 | 18,833 | 25,091 | 36,516
Industrial Market [Member] |  |  |  |
Revenue | 3,415 | 2,806 | 7,602 | 5,943
Automotive [Member] |  |  |  |
Revenue | 10,735 | 1,542 | 14,693 | 4,139
Life Sciences [Member] |  |  |  |
Revenue | 2,194 | 1,135 | 2,847 | 2,648
Defense/ Aerospace [Member] |  |  |  |
Revenue | 3,682 | 3,890 | 6,921 | 6,729
Security [Member] |  |  |  |
Revenue | 792 | 936 | 1,333 | 1,902
Other Multi Markets [Member] |  |  |  |
Revenue | 3,049 | 3,416 | 5,328 | 6,600
Thermal Testing Products [Member] |  |  |  |
Revenue | 4,228 | 6,172 | 7,927 | 11,993
Thermal Process [Member] |  |  |  |
Revenue | 9,843 | 11,872 | 20,798 | 21,694
Semiconductor Production Test Products [Member] |  |  |  |
Revenue | 4,014 | 8,753 | 10,296 | 16,859
Video Imaging [Member] |  |  |  |
Revenue | 1,685 | 2,434 | 3,804 | 5,082
Flying Probe and In-circuit Testers [Member] |  |  |  |
Revenue | 1,031 | 1,417 | 3,775 | 2,576
Alfamation [Member] |  |  |  |
Revenue | 9,719 | 0 | 11,098 | 0
Service and Other Products [Member] |  |  |  |
Revenue | 3,471 | 1,910 | 6,117 | 6,273
End User [Member] |  |  |  |
Revenue | 27,496 | 21,877 | 48,926 | 43,581
OEM, Integrators and Distributor [Member] |  |  |  |
Revenue | $ 6,495 | $ 10,681 | $ 14,889 | $ 20,896

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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 41 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-41 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 270 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482964/270-10-50-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (ee) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-32 Reference 4: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-32 Reference 5: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-32 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 924 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 11.L) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479941/924-10-S99-1 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-5 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 30 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-30 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-42 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-22 Reference 11: 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 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-22 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-4 + Details
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