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Income Taxes (Tables)
6 Months Ended
Jun. 30, 2021
Income Tax Disclosure [Abstract]  
Reconciliation of Gross Unrecognized Tax Benefits The following table sets forth the total amounts of gross unrecognized tax benefits:
Gross Unrecognized
Tax Benefits
Balance, December 31, 2020$600 
Additions for prior year tax positions200 
Balance, June 30, 2021$800