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Income Taxes
3 Months Ended
Mar. 31, 2022
Income Taxes [Abstract]  
Income Taxes

5.  Income Taxes


Beginning in 2022, the Tax Cuts and Jobs Act of 2017, or TCJA, requires taxpayers to amortize research and development expenditures over five years pursuant to Internal Revenue Code, or IRC, Section 174. Although the U.S. Congress is considering legislation that would defer the amortization requirement to later years, we have no assurance that the provision will be repealed or otherwise modified. As a result, we recorded a $1.1 million income tax expense for the three months ended March 31, 2022 compared to $0.1 million income tax expense for the same period in 2021.