Basis of Presentation and Significant Accounting Policies - Use of Estimates (Details) - USD ($) $ in Thousands |
Sep. 30, 2021 |
Dec. 31, 2020 |
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| Basis of Presentation and Significant Accounting Policies | ||
| Contingent liabilities | $ 1,410 | $ 1,410 |
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- References No definition available.
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- Definition Amount of liability for consideration received or receivable from customer which is not included in transaction price, when consideration is expected to be refunded to customer, classified as current. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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