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Income Taxes (Tables)
3 Months Ended
Mar. 31, 2021
Income Tax Disclosure [Abstract]  
Schedule of Effective Income Tax Rate Reconciliation

The following table summarizes income tax expense on loss from continuing operations and the effective tax rate for three-month periods ended March 31, 2021 and 2020:

 

    Three Months Ended  
    March 31,  
    2021     2020  
    (unaudited)  
             
Provision for income tax   $ 15     $ 15  
Effective income tax rate     (0.4 %)     (0.2 %)