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Marketable Securities (Tables)
3 Months Ended
Mar. 31, 2024
Investments, Debt and Equity Securities [Abstract]  
Schedule of Available-for-sale Securities
The following tables show the Company’s available-for-sale securities’ adjusted cost, gross unrealized gains, gross unrealized losses and fair value by significant investment category as of March 31, 2024 and December 31, 2023, respectively:

March 31, 2024
Marketable Securities:Adjusted CostUnrealized GainsUnrealized LossesFair Value
Government securities - U.S.$52,394 $601 $— $52,995 
Total$52,394 $601 $— $52,995 
December 31, 2023
Marketable Securities:Adjusted CostUnrealized GainsUnrealized LossesFair Value
Government securities - U.S.$72,990 $954 $— $73,944 
Total$72,990 $954 $— $73,944 
Schedule of Contractual Maturity Dates
The following table summarizes the estimated fair value of the Company’s investments in marketable debt securities, accounted for as available-for-sale debt securities and classified by the contractual maturity date of the securities as of March 31, 2024:

Maturities
Marketable Debt Securities:Less than 1 Year1-5 Years5-10 YearsGreater than 10 YearsTotal
Government securities - U.S.$52,995 $— $— $— $52,995 
Total$52,995 $— $— $— $52,995