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Fair Value of Financial Instruments (Tables)
3 Months Ended
Mar. 31, 2022
Fair Value of Financial Instruments  
Schedule of financial instruments measured at fair value by level within fair value hierarchy

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Significant

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Quoted Prices

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other

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Significant

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in active

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observable

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unobservable

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markets

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inputs

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inputs

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Total

    

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(Level 1)

    

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(Level 2)

    

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(Level 3)

March 31, 2022

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Money market funds, included in cash equivalents

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$

2,003

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$

2,003

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$

—

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$

—

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December 31, 2021

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Money market funds, included in cash equivalents

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$

45,078

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$

45,078

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$

—

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$

—