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Income Taxes (Details) - USD ($)
12 Months Ended
Aug. 23, 2018
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Income Tax Examination [Line Items]        
Income tax expense (benefit)   $ 589,000 $ 3,918,000 $ 3,292,000
Federal income tax expense $ 0 0    
Net deferred tax assets   55,800,000 56,400,000  
Prepayment of income taxes   0 500,000  
Accrued interest and penalties   0    
Federal [Member]        
Income Tax Examination [Line Items]        
Net operating loss carryforwards   $ 9,700,000 $ 0