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Marketable Securities (Tables)
12 Months Ended
Dec. 31, 2022
Investments, Debt and Equity Securities [Abstract]  
Available-for-sale securities
Marketable securities as of December 31, 2022 and 2021 consisted of the following:
December 31, 2022Amortized
Cost
Gross
Unrealized
Gains
Gross
Unrealized
Losses
Fair
Value
Money market mutual funds$30,977 $— $— $30,977 
United States treasuries24,715 — (12)24,703 
Total marketable securities designated as available-for-sale$55,692 $— $(12)$55,680 
 
December 31, 2021Amortized
Cost
Gross
Unrealized
Gains
Gross
Unrealized
Losses
Fair
Value
Money market mutual funds$13,147 $— $— $13,147 
Total marketable securities designated as available-for-sale$13,147 $— $— $13,147