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Marketable Securities (Tables)
 6 Months Ended
Jun. 30, 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 June 30, 2024 and December 31, 2023, respectively:
June 30, 2024
Marketable Securities:Adjusted CostUnrealized GainsUnrealized LossesFair Value
Government securities - U.S.$42,320 $215 $— $42,535 
Total$42,320 $215 $— $42,535 
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 June 30, 2024:

Maturities
Marketable Debt Securities:Less than 1 Year1-5 Years5-10 YearsGreater than 10 YearsTotal
Government securities - U.S.$42,535 $— $— $— $42,535 
Total$42,535 $— $— $— $42,535