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Marketable Securities
 9 Months Ended
Sep. 30, 2025
Investments, Debt and Equity Securities [Abstract]  
Marketable Securities Marketable Securities
Fair Values and Gross Unrealized Gains and Losses on Held-to-Maturity Investments
The following table summarizes adjusted cost, gross unrealized gains and losses, and fair value by significant investment category. The Company’s investments with original maturities greater than 90 days are classified as held-to-maturity investments on its condensed consolidated balance sheets as of September 30, 2025 and December 31, 2024. See additional information on the Company’s investments in Note 5—Fair Value Measurements.
Amortized CostGross UnrealizedFair ValueNet Carrying Value
GainsLosses
As of September 30, 2025(in thousands)
Cash equivalents
Money market funds$9,495 $— $— $9,495 $9,495 
Total cash equivalents$9,495 $— $— $9,495 $9,495 
Investments
U.S. treasury securities$9,453 $7 $— $9,460 $9,453 
Corporate debt securities11,742 10 — 11,752 11,742 
Total investments$21,195 $17 $— $21,212 $21,195 
Amortized CostGross UnrealizedFair ValueNet Carrying Value
GainsLosses
As of December 31, 2024(in thousands)
Investments
Commercial paper$9,139 $— $(2)$9,137 $9,139 
Total investments$9,139 $— $(2)$9,137 $9,139 
Scheduled Maturities
The amortized cost and fair value of the Company’s held-to-maturity investments as of September 30, 2025, by contractual maturity, are shown below.

As of September 30, 2025Amortized CostFair Value
(in thousands)
Within one year$21,195 $21,212 
After one year through five years— — 
After 5 years through 10 years— — 
After 10 years— — 
Total investments$21,195 $21,212 
Aging of Unrealized Losses
There were no securities in an unrealized loss position as of September 30, 2025. As of December 31, 2024, certain securities were in an immaterial unrealized loss position for less than twelve months.