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Note 3 - Acquisitions - Pro Forma Information (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2021
Videology [Member] |  |
Revenue | $ 24,119 | $ 45,974
Net earnings | $ 3,229 | $ 6,061
Diluted earnings per share (in dollars per share) | $ 0.30 | $ 0.57
Acculogic [Member] |  |
Revenue | $ 24,550 | $ 46,836
Net earnings | $ 2,582 | $ 4,767
Diluted earnings per share (in dollars per share) | $ 0.24 | $ 0.45

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- Definition The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(3) -URI https://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2) -URI https://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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