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Income Taxes
 3 Months Ended
Mar. 31, 2023
Income Tax Disclosure [Abstract]  
Income Taxes Income Taxes
The Company recognized an income tax expense of approximately $1.1 million and $0.1 million during the three months ended March 31, 2023 and 2022, respectively. The effective tax rate was approximately (10.7)% for the three months ended March 31, 2023, which was lower than the U.S. federal statutory rate primarily due to pre-tax losses in jurisdictions where full valuation allowances have been recorded and certain jurisdictions projecting current income tax expense. The Company’s income tax expense for the period is mainly driven by the enacted Section 174 rules that require the Company to amortize qualifying research and development expenses over five years in the U.S. and fifteen years in foreign jurisdictions. The Company’s effective tax rate was approximately (4.4)% for the three months ended March 31, 2022, which was lower than the U.S. federal statutory rate primarily due to pre-tax losses in jurisdictions where full valuation allowances have been recorded and certain foreign jurisdictions projecting current income tax expense. This decrease was partially offset by a discrete income tax benefit recorded in the period associated with the release of certain reserves for uncertain tax benefits. The Company continues to consider all available evidence, including historical profitability and projections of future taxable income together with new evidence, both positive and negative, that could affect the view of the future realization of deferred tax assets. As a result of the assessment, no change was recorded by the Company to the valuation allowance during the three months ended March 31, 2023.

On August 16, 2022, the Inflation Reduction Act of 2022 ("IRA") was signed into law. This legislation includes significant changes relating to tax, climate change, energy and health care. Among other provisions, the IRA introduces a corporate alternative minimum tax assessed on financial statement income of certain large corporations and an excise tax on share repurchases. The IRA does not have a material impact on the Company’s financial statements in the period ending March 31, 2023.

During 2021 the Internal Revenue Service commenced an audit of certain of the Company’s prior year U.S. federal income tax filings, including the 2013 through 2020 tax years. The audit is currently ongoing and the while receipt of the associated
refunds would materially improve its financial position, the Company does not believe that the results of this audit will have a material effect on its results of operations.

The Company received $4.3 million in federal tax refunds in the second quarter of 2022. There is no change to the Company’s position on the remaining tax refunds.