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Income Taxes - Additional information (Details) - USD ($)
6 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Income Taxes    
Interest or penalties related to income taxes $ 0  
Federal net operating loss carryforwards 675,000  
State net operating loss carryforwards $ 119,000  
Effective tax rate (as a percent) 21.00% 21.00%