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Note 4 - Inventory (Details Textual) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2025 | Dec. 31, 2024
Effect of LIFO Inventory Liquidation on Income | $ 5,083 | $ 435

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- Definition The effect of liquidating LIFO (last in first out) inventory layers on income. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 330 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SAB Topic 11.F) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480581/330-10-S99-3 + Details
Name: | us-gaap_EffectOfLIFOInventoryLiquidationOnIncome
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration