Cash Equivalents and Investments (Narrative) (Details) - USD ($) |
1 Months Ended | 3 Months Ended | 12 Months Ended | ||
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Apr. 30, 2020 |
Dec. 31, 2021 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
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Debt and Equity Securities, FV-NI [Line Items] | |||||
Debt securities realized loss | $ 400,000 | ||||
Debt securities realized gains | 0 | $ 0 | |||
Common Stock [Member] | |||||
Debt and Equity Securities, FV-NI [Line Items] | |||||
Investment | $ 899,000 | ||||
Proceeds from sale of investment | $ 650,000 | ||||
Impairment loss on sale of investment | $ 206,000 | ||||
Common Stock [Member] | Scenario, Forecast [Member] | |||||
Debt and Equity Securities, FV-NI [Line Items] | |||||
Proceeds from sale of investment | $ 43,000 | ||||
Maximum [Member] | Common Stock [Member] | |||||
Debt and Equity Securities, FV-NI [Line Items] | |||||
Minority investment, ownership percentage | 10.00% |
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- Definition Minority Investment, Percentage Ownership No definition available.
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- Definition Amount of realized gain on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of realized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Cost of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Excludes equity method investment and investment in equity security without readily determinable fair value. No definition available.
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- Definition Amount of realized loss from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of cash inflow from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as investing activity. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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