Item 3. Quantitative and Qualitative Disclosures About Market Risk
ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK
Interest Rate Risk
Our exposure to interest rate fluctuations relate primarily to our cash equivalents and short-term investments.
We had cash and cash equivalents and short-term investments totaling $198.4 million and $247.3 million, respectively, as of September 30, 2022 and December 31, 2021, which were held for working capital purposes. Our cash equivalents are comprised of money market funds and government bonds, and our short-term investments are comprised of corporate bonds, government bonds, and asset-backed bonds. Our investments are made for capital preservation purposes. We do not hold or issue financial instruments for trading or speculative purposes. Due to the short-term nature of these investments, we believe there will be no associated material exposure to interest rate risk.
Foreign Currency Risk
There was no material foreign currency risk for the nine months ended September 30, 2022 and 2021 since we operate primarily in the United States. Our operations in the United Kingdom are not considered significant. Accordingly, we believe we do not have a material exposure to foreign currency risk. We may choose to focus on international expansion in the future, which may increase our exposure to foreign currency exchange risk.
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