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Income Taxes
6 Months Ended
Jun. 30, 2020
Income Tax Disclosure [Abstract]  
Income Taxes

7.

Income Taxes

Provision for (benefit from) income tax for the three and six months ended June 30, 2020 were primarily due to the tax effect arising from other comprehensive income related to available-for-sale securities, and foreign taxes. Provisions for income tax for the three and six months ended June 30, 2019 were primarily due to foreign taxes.

Based upon the weight of available evidence, which includes its historical operating performance, reported cumulative net losses since inception, the Company has established and continues to maintain a full valuation allowance against its deferred tax assets as it does not currently believe that realization of those assets is more likely than not.