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Income Taxes (Tables)
6 Months Ended
Jun. 30, 2021
Income Tax Disclosure [Abstract]  
Components for State Income Tax Expense
                               
   

Three Months ended

June 30,

   

Six Months ended

June 30,

 
    2021     2020     2021     2020  
Current state taxes   $ 4,600     $ 5,000     $ 11,900     $ 5,300  
Deferred state taxes                       (47,400 )
Income tax expense (benefit)   $ 4,600     $ 5,000     $ 11,900     $ (42,100 )