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Income Taxes (Details) - USD ($)
3 Months Ended 12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Income Taxes      
Income tax benefit (expense) $ 0 $ 0  
Accrued interest or penalties related to uncertain tax positions 0   $ 0
Interest or penalties related to uncertain tax positions recognized in the Company's statements of operations $ 0   $ 0