Risks and Uncertainties (Narrative) (Details) - Credit Concentration Risk [Member] - USD ($) $ in Thousands |
Sep. 30, 2023 |
Dec. 31, 2022 |
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| Concentration Risk [Line Items] | ||
| Cash equivalent investment balance | $ 0 | $ 10,600 |
| Canada [Member] | ||
| Concentration Risk [Line Items] | ||
| Cash in Canadian bank accounts | $ 272 | $ 518 |
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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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