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Income Taxes (Details) - USD ($)
6 Months Ended 12 Months Ended
Apr. 30, 2020
Dec. 31, 2020
Oct. 31, 2017
Income Taxes [Line Items]      
Effective blended tax rate 35.20%    
Discrete benefit recorded as a result of carryback of federal net operating losses to previous years under the CARES Act $ 1,380,000    
Federal statutory rate     34.00%
Uncertain tax positions 0    
Accrued interest and penalties associated with uncertain tax positions $ 0    
Forecast      
Income Taxes [Line Items]      
Effective blended tax rate   29.30%