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Note 7 - Income Taxes: Schedule of Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Details |  |  |
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount | $ 2,620 | $ 2,520 | $ 1,915
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount | 490 | 448 | 369
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount | 1,129 | 1,010 | 550
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount | (3) | (6) | (7)
Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of 2017 Transition Tax On Accumulated Foreign Earnings Amount | 0 | 0 | 263
Tax Cuts and Jobs Act of 2017 Global Intangible Low Taxed Income Income Tax Expense | (90) | (99) | (35)
Adjustment To Deferred Tax Liability | 0 | 391 | 0
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount | 40 | 9 | (13)
Provision for income taxes (note 7) | $ 4,186 | $ 4,273 | $ 3,042

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- Definition Amount of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operations, attributable to increase (decrease) from transition tax on accumulated earnings of controlled foreign corporation deemed repatriated pursuant to Tax Cuts and Jobs Act. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319 + Details
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- Definition The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319 + Details
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