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INCOME TAXES
3 Months Ended
Mar. 31, 2021
Income Tax Disclosure [Abstract]  
INCOME TAXES INCOME TAXES
The consolidated effective tax rate was 0.0% for both of the three months ended March 31, 2021 and 2020. The difference between these rates and the U.S. federal income tax rate of 21% was primarily due to a full valuation allowance on our U.S. deferred tax assets.
As of March 31, 2021 and December 31, 2020, we did not have any unrecognized tax benefits for uncertain tax positions and had no interest or penalties related to uncertain tax positions.