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Fair Value of Financial Instruments, Liabilities Measured at Fair Value (Details) - USD ($) | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Level 1 [Member] |  |
Liabilities [Abstract] |  |
Fair value liabilities | $ 0 | $ 0
Level 1 [Member] | Contingent Consideration [Member] |  |
Liabilities [Abstract] |  |
Fair value liabilities | 0 | 0
Level 2 [Member] |  |
Liabilities [Abstract] |  |
Fair value liabilities | 0 | 0
Level 2 [Member] | Contingent Consideration [Member] |  |
Liabilities [Abstract] |  |
Fair value liabilities | 0 | 0
Level 3 [Member] |  |
Liabilities [Abstract] |  |
Fair value liabilities | 19,930,000 | 20,110,000
Level 3 [Member] | Contingent Consideration [Member] |  |
Liabilities [Abstract] |  |
Fair value liabilities | $ 19,930,000 | $ 20,110,000

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- Definition Fair value of financial and nonfinancial obligations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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