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Licensing arrangements include, but are not limited to, rights to use a patent, copyright, technology, manufacturing process, software or trademark. Licensing fees are generally, but not always, fixed as to amount and not dependent upon the revenue generated by the licensing party. An entity may receive licensing fees for licenses that also generate royalty payments to the entity. 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No authoritative reference available. true 16 Investment income 4 us-gaap_InvestmentIncomeNet us-gaap true credit duration No definition available. false false false false false false false false false false false label false 1 false true false false 995000 995 false false false 2 false true false false 2496000 2496 false false false 3 false true false false 1680000 1680 false false false 4 false true false false 5558000 5558 false false false xbrli:monetaryItemType monetary This item represents investment income derived from investments in debt and equity securities consisting of interest income earned from investments in debt securities and on cash and cash equivalents, dividend income from investments in equity securities, and income or expense derived from the amortization of investment related discounts or premiums, respectively, net of related investment expenses. This item does not include realized or unrealized gains or losses on the sale or holding of investments in debt and equity securities required to be included in earnings for the period or for other than temporary losses related to investments in debt and equity securities which are included in realized losses in the period recognized, and does not include investment income from real or personal property, such as rental income. 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If the entity does not present consolidated financial statements, the amount of profit or loss for the period, net of income taxes. 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