Item 3. Quantitative and Qualitative Disclosures About Market Risk
ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK
We have operations both within the United States and internationally, and we are exposed to market risks in the ordinary course of business. These risks primarily relate to interest rates, foreign currency exchange rates and inflation.
Interest Rate Risk
We had approximately $24.0 million in cash and cash equivalents and $192.4 million in available for sale securities as of March 31, 2022, which include highly liquid, investment grade debt securities. Such interest-bearing instruments are exposed to a certain degree of interest rate risk. The primary objective of our investment activities is to preserve principal while at the same time maximizing yields without significantly increasing risk. We do not enter into investments for trading or speculative purposes and have not used any derivative financial instruments to manage our interest rate risk exposure. To achieve this objective, we invest in highly liquid and high-quality government and other debt securities. To minimize our exposure due to adverse shifts in interest rates, we invest primarily in short-term securities. Due to the short holding period of our investments and the nature of our investments, a hypothetical change of 100 basis points would have approximately a $0.9 million impact on our investments.
Our liabilities for acquisition-related contingent consideration, which is adjusted to fair value each reporting period, is also impacted by changes in interest rates. The risk-free interest rate used to estimate our weighted average cost of capital is a component of the discount rate used to calculate the present value of future cash flows due upon the achievement of certain milestones. As a result, any changes in the underlying risk-free interest rate could result in material changes to the fair value of such liabilities and could materially impact the amount of non-cash expense (or income) recorded each reporting period.
Foreign Currency Exchange Rate Risk
We conduct a portion of our business in currencies other than our U.S. dollar functional currency. These transactions give rise to monetary assets and liabilities that are denominated in currencies other than the U.S. dollar. The value of these monetary assets and liabilities are subject to changes in currency exchange rates from the time the transactions are originated until settlement in cash. Our foreign currency exposures are primarily concentrated in the British Pound, Chinese Renminbi, Euro, and Canadian dollar. Both realized and unrealized gains or losses on the value of these monetary assets and liabilities are included in the determination of net income. We do not currently participate in material foreign exchange hedging activities. As of March 31, 2022 and December 31, 2021, we had minimal assets and liabilities denominated in foreign currencies. We believe a hypothetical 10% change in foreign exchange rates as of March 31, 2022 would not have a material impact on our business, financial condition, or results of operations.
Inflation
The COVID-19 pandemic has contributed to supply chain challenges, which we believe have resulted in inflation headwinds, particularly increased logistical costs and raw material prices. During the three months ended March 31, 2022, we experienced increased costs to secure certain component parts in our products and to produce our products at our contract manufacturers. However we do not believe that inflation has had a material effect on our business, financial condition or results of operations, other than its impact on the general economy, as our cost of revenue for the three months ended March 31, 2022 was not significantly impacted by the cost increases we experienced. If our costs were to become subject to significant inflationary pressures, we may not be able to fully offset such higher costs through price increases. Our inability or failure to do so could harm our business, financial condition or results of operations.
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