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Income Taxes (Tables)
3 Months Ended
Mar. 31, 2020
Income Tax Disclosure [Abstract]  
Reconciliation of Gross Unrecognized Tax Benefits
A reconciliation of the beginning and ending balances of the total amounts of gross unrecognized tax benefits is as follows:
Gross Unrecognized Tax Benefits
Balance, December 31, 2019$400  
Additions for prior year tax positions—  
Settlements with tax authorities—  
Reductions of prior year tax positions—  
Balance, March 31, 2020$400