Income Taxes	3 Months Ended
Mar. 31, 2021
Income Taxes
Income Taxes	12. Income Taxes There was no income tax expense for the three months ended March 31, 2021 due to a projected tax loss for 2021 and the tax effect of the valuation allowance against such loss for the year. Income tax expense of 0.9 million for the three months ended March 31, 2020, primarily related to state taxes in jurisdictions outside of California, for which the Company has a limited operating history. Income tax provision during the interim periods is based on applying an estimated annual effective income tax rate to year to date income, plus any significant unusual or infrequently occurring items, which are recorded in the interim period. The Company maintains a full valuation allowance against its net deferred tax assets due to its history of losses.

- Definition

The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.

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