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Note 14 - Net Income Per Share - Anti-dilutive Net Income Per Share (Details) - shares shares in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Antidilutive securities (in shares) | 595 | 584 | 512
Share-based Payment Arrangement, Option [Member] |  |  |
Antidilutive securities (in shares) | 534 | 532 | 460
Restricted Stock Units (RSUs) [Member] |  |  |
Antidilutive securities (in shares) | 61 | 52 | 52

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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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- Details
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