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Income Taxes
9 Months Ended
Sep. 30, 2021
Income Taxes  
Income Taxes

10. Income Taxes

The Companys tax provision for interim periods is determined using an estimate of its annual effective tax rate, adjusted for discrete items, if any, that arise during the period. Each quarter, the Company updates its estimate of the annual effective tax rate and, if the estimated annual effective tax rate changes, the Company makes a cumulative adjustment in such period. No adjustment was made as of September 30, 2021. The Companys effective federal tax rate for the three and nine months ended September 30, 2021 and 2020

was 0%, primarily as a result of estimated tax losses for the fiscal year to date offset by the increase in the valuation allowance in the net operating loss carryforwards.

The Company did not record any income tax expense or benefit during the three and nine months ended September 30, 2021 and 2020. The Company has a net operating loss and has provided a valuation allowance against net deferred tax assets due to uncertainties regarding the Companys ability to realize these assets. All losses before income taxes arose in the United States.

On March 27, 2020, the Coronavirus Aid, Relief, and Economic Security (CARES) Act was passed by the U.S. Congress and signed into United States law. The CARES Act, among other things, includes certain provisions for individuals and corporations; however, these benefits did not materially impact the Companys income tax provision in the periods presented.